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Pit or stone within some fruits
A pyrena (/paɪˈriːnə/) (pl. pyrenae) or pyrene, commonly called a pit or stone, is the fruitstone inside certain types of fruit, namely drupes or drupelets
Pyrena
Fleshy fruit with hard inner layer (endocarp or stone) surrounding the seed
skin, and mesocarp, or flesh) surrounds a single shell (the pit, stone, or pyrena) of hardened endocarp with a seed (kernel) inside. Drupes do not split open
Drupe
Toxic seed of the apricot
the fruit endocarp, which forms a hard shell around the seed called the pyrena (stone or pit). The kernel contains amygdalin, a poisonous compound, in
Apricot_kernel
Reproductive structure in flowering plants
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Flower
Fruit with outer shell protecting kernel
of stoneworts). In botany, the term "nutlet" can be used to describe a pyrena or pyrene, which is a seed covered by a stony layer, such as the kernel
Nut_(fruit)
Genus of trees and shrubs
edible while the endocarp itself forms a hard, inedible shell called the pyrena ("stone" or "pit") that encloses the seed (or "kernel"), which is edible
Prunus
Species of flowering plant
Olives are harvested in the green to purple stage. O. europaea contains a pyrena commonly referred to in British English as a "stone", and in American English
Olive
Soft, siliceous sedimentary rock
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Diatomaceous_earth
Organic-inorganic composite material produced by some molluscs
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Nacre
release seeds (e.g. hazelnuts); Drupes: seed contained within a pit (stone or pyrena) that itself is surrounded by a fleshy fruit (e.g. almonds, walnuts); Gymnosperm
List_of_culinary_nuts
Underground stem in which various plants asexually reproduce via budding
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Rhizome
Fruitstone used as a prayer bead in Hinduism
are also known as amritaphala (fruits of ambrosia).[citation needed] The pyrena of the fruit, commonly called the "pit" or "stone", is typically divided
Rudraksha
Hard, brittle internal structure found in all members of the family Sepiidae
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Cuttlebone
Any polyatomic anion containing silicon and oxygen
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Silicate
Species of nut
a reticulated, hard shell (like the outside of a peach pit) called the pyrena. Inside the shell is the edible seed, commonly called a nut. Generally,
Almond
Topics referred to by the same term
(medicine), a stone formed in the body, such as kidney stones or gallstones Pyrena, the hard seed-bearing kernel inside drupe fruits such as peaches and olives
Stone_(disambiguation)
Flowers on short stalks along the stem
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Raceme
Group of vascular plants that reproduce by spores
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Pteridophyte
Topics referred to by the same term
insignia or with many Commonwealth police agencies The seed of some fruits The pyrena, also called a pit or stone, inside some fruits Pip (counting), a small
Pip
Biological process to convert light into chemical energy
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Photosynthesis
Topics referred to by the same term
device Pulsed inductive thruster, a device used in spacecraft propulsion Pyrena or pit, the hard seed-bearing kernel inside drupe fruits such as peaches
Pit
Fossils from the Ediacaran and Cambrian periods
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Small_shelly_fauna
List of tallest living trees, by species
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
List_of_tallest_trees
External skeleton of an organism
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Exoskeleton
Exoskeleton of an animal in the phylum Mollusca
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Mollusc_shell
Internal makeup of fruits
citrus where it is the only part consumed, or thick and hard as in the pyrenas of drupe fruits of the family Rosaceae such as peaches, cherries, plums
Fruit_(plant_structure)
Hard, protective outer layers created by an animal that lives in the sea
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Seashell
Character from The Wonderful Wizard of Oz
Theodora (2013) (Oz the Great and Powerful) Zelena (2014) (Once Upon a Time) Pyrena (2017) (The Wicked Wizard of Oz) Mistress West (2017) (Emerald City) Langwidere
Wicked_Witch_of_the_West
Tallest, largest, stoutest, widest, and other such trees
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
List_of_superlative_trees
Part of arthropods
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Arthropod_exoskeleton
Internal support structure of an animal
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Endoskeleton
Part of the body of a gastropod or snail
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Gastropod_shell
Diploid multicellular stage in the life cycle of a plant or alga
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Sporophyte
Accumulation of calcium salts in bodily tissue, usually bone
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Calcification
Hard shell of some spherical marine animals
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Test_(biology)
Topics referred to by the same term
A nutlet is a small nut. Nutlet may also refer to: Pyrena or nutlet, a seed covered by a stony layer Nutlet or Oreshek, another name for Shlisselburg Fortress
Nutlet_(disambiguation)
Plant material preserved for scientific uses
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Botanical_specimen
Phylum of amoeboid protists
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Foraminifera
Fossils produced by magnetotactic bacteria
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Magnetofossil
Bio-geochemical process
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Microbiologically induced calcite precipitation
Microbiologically_induced_calcite_precipitation
Entertainment (Games & animations) Pinq Games Pixeduo Studios Pokuch Pyrena Studios (Also Pyrena Games/Software) Redivided Studios Remoob Games Simula Games (Turkish
Video_games_in_Turkey
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Immobilization_(soil_science)
Anatomical structure
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Frustule
Guide for naming cultivated plant varieties
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
International Code of Nomenclature for Cultivated Plants
International_Code_of_Nomenclature_for_Cultivated_Plants
Topics referred to by the same term
Pyrene (gastropod), a genus of sea snails from the family Columbellidae Pyrena, the pit or stone inside some fruits Pyrenees, a mountain range between
Pyrene_(disambiguation)
Biogenic pelagic sediment located on the deep ocean floor
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Siliceous_ooze
Calcium carbonate scales covering some phytoplankton species
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Coccolith
Hybrids of orchids
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Grex_(horticulture)
Structural element of sea sponges
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Sponge_spicule
Citing the first publishers of a botanical name
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Author_citation_(botany)
Topics referred to by the same term
1978 Stone (fruit), the stone inside some fruits, also called a pit or pyrena Stone (unit), a measure of weight formerly used in various Germanic European
Stones_(disambiguation)
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Biocrystallization
includes the wall of the seed chamber, the inner part of the pericarp. Pyrena – the hardened endocarp of a drupe. Exocarp – the pericarp's outer part
Glossary_of_plant_morphology
Protuberances that extend from the lower epidermal cells of bryophytes and algae
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Rhizoid
Species of flowering plant
range from 10 to 4g. The stone at the centre of the fruit, technically a pyrena, is typically divided into multiple segments, which are locules, each usually
Elaeocarpus_angustifolius
Fossil that requires the use of a microscope to see
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Microfossil
Geological stratum or deposit containing bones
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Bone_bed
Calcium carbonate material echinoderms are made of
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Stereom
Attributes of living species that arose due to coevolution with other now-extinct species
lontaroides L. verschaffeltii Mascarene Islands One species per island, all with pyrena smaller than their relatives in continental Africa and Madagascar, which
Evolutionary_anachronism
Unicellular algae responsible for the formation of chalk
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Coccolithophore
Ethnic group of Borneo
Archived from the original on 24 March 2026. Retrieved 24 March 2026. Pyrena Syahfitri, Almira Daylis (21 December 2021). "Musik Kintung, Kesenian Tradisional
Banjar_people
Shell of a particular type of protist
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Foraminifera_test
Plant biodiversity organization
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
International Association for Plant Taxonomy
International_Association_for_Plant_Taxonomy
Shell formation mechanism
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Marine_biogenic_calcification
Shield for the ventral and dorsal parts of turtles
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Turtle_shell
Process by which living organisms produce minerals
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Biomineralization
Species of hawthorn
anthers, and pitting and other ornamentation (or lack thereof) of the pyrenas. The type specimen, collected along the Genesee River near Rochester, New
Crataegus_persimilis
Carbon capture process in oceans
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Biological_pump
Class of microscopic fossils
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Calcareous_nannofossils
Type of interface
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Biointerface
High-calcite region of the Southern Ocean
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Great_Calcite_Belt
Protein family
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Engrailed_(gene)
Breakdown of organic matter to simple chemicals by living organisms
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Remineralisation
Geological petrification process
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Silicification
Species of shrub
not have an endosperm. When these fruits mature, they separate into two pyrenas, or seeds surrounded by hardened endocarp. Not many uses have, as yet,
Lippia_substrigosa
Protective shell of a type of eukaryotic organism
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Protist_shell
Biological tissues incorporating minerals
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Mineralized_tissues
Aspect of marine biology
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Shell_growth_in_estuaries
Group of amoebae with shells
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Testate_amoebae
Species of tree in the family Podocarpaceae
oblong to sub-spherical in shape, and are up to 20 mm long. The seeds (or pyrena) are 11–17 mm long, are dark brown to black-brown, and contain a red seed
Pectinopitys_ferruginea
Genus of gastropods
Fehse, 2015 Trivirostra pseudotrivellona Fehse & Grego, 2008 Trivirostra pyrena Fehse, 2017 Trivirostra scabriuscula (Gray, 1827) Trivirostra shawi Schilder
Trivirostra
Term used in botanical nomenclature
diagram Floral formula Floral symmetry Whorl Fruit Anatomy Berry Capsule Nut Pyrena Seed Dispersal Endosperm Gametophyte Gynandrium Gynoecium Carpel Ovary Locule
Hort.
Shell-like protective outer covering of organisms
earth Other forms Bone bed Kerogen alginite oil shale Phosphate phosphorite Pyrena Related Mineral evolution In soil mineralization immobilization Ballast
Lorica_(biology)
Species of flowering plant
purplish black, ovoid pomes (~ 8.5 X 5.5 mm), each contains one or two pyrenas. The diploid chromosomal number for C. tenuipes is 68 (2n = 68). Cotoneaster
Cotoneaster_tenuipes
PYRENA
PYRENA
PYRENA
Boy/Male
American, Australian, British, Christian, English, Latin
A Medieval Weapon Used by Knights to Break Armor; Aromatic Spice
Male
Greek
(ÎÎστωÏ) Greek name NESTOR means "homecoming." In mythology, this is the name of a son of Nileas (Latin Neleus) and king of Pylos.
Boy/Male
Tamil
Hemaprakash | ஹேமாபà¯à®°à®•ாஷ
Golden light
Girl/Female
Hindu
Pansophist
Girl/Female
Hindu, Indian, Tamil
Skill
Female
Japanese
Japanese name KAYO means "beautiful/increasing generation."
Girl/Female
Arabic
Loveable Person
Female
Ukrainian
, defender of man.
Boy/Male
Tamil
Supporting
Boy/Male
Christian & English(British/American/Australian)
Wanderering Noble
PYRENA
PYRENA
PYRENA
PYRENA
PYRENA
n.
A nutlet resembling a seed, or the kernel of a drupe.
n.
Same as Pyrena.
n.
A plant formerly valued for its restorative qualities (Valeriana officinalis, or V. Pyrenaica).
pl.
of Pyrena