Raphidés
- Raphidés
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Raphidae
La famille éteinte des Raphidae était endémique des Mascareignes et comprenait deux genres et deux ou trois espèces d'oiseaux.
Liste des genres et espèces
Voir aussi
Liens internes
Liens externes
- Portail de l’ornithologie
Catégories : Oiseau disparu | Columbiformes
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Raphides — are needle shaped crystals of calcium carbonate or calcium oxalate found in specialized plant cells called idioblasts. It is believed that the raphides are a defense mechanism against plant predators, as they are likely to tear the soft tissues… … Wikipedia
Raphides — Raph i*des (r[a^]f [i^]*d[=e]z), n. pl. [F. raphide.] (Bot.) See {Rhaphides}. [1913 Webster] … The Collaborative International Dictionary of English
raphides — Rhaphides Rhaph i*des, n. pl. [NL., fr. Gr. ???, ???, a needle, F. raphides.] (Bot.) Minute transparent, often needle shaped, crystals found in the tissues of plants. [Written also {raphides}.] [1913 Webster] … The Collaborative International Dictionary of English
raphides — /raf i deez /, n.pl. Bot. acicular crystals, usually composed of calcium oxalate, that occur in bundles in the cells of many plants. [1835 45; < NL < Gk rhaphídes, pl. of RHAPHÍS needle] * * * … Universalium
raphides — raph•i•des [[t]ˈræf ɪˌdiz[/t]] n. pl. bot needle shaped crystals, usu. composed of calcium oxalate, that occur in bundles in the cells of many plants • Etymology: 1835–45; < NL < Gk rhaphídes, pl. of rhaphís needle … From formal English to slang
raphides — /ˈræfədiz/ (say rafuhdeez) plural noun acicular crystals, usually composed of calcium oxalate, which occur in bundles in the cells of many plants. {New Latin (plural), from Greek: needles} …
raphides — /raf i deez /, n.pl. Bot. acicular crystals, usually composed of calcium oxalate, that occur in bundles in the cells of many plants. [1835 45; < NL < Gk rhaphídes, pl. of RHAPHÍS needle] … Useful english dictionary
RUBIALES — L’ordre des Rubiales comprend six familles de plantes (570 genres et environ 7 000 espèces) des régions chaudes ou tempérées. Les caféiers, les quinquinas, la garance sont les plus connus. Ce sont des Angiospermes dicotylédones et gamopétales,… … Encyclopédie Universelle
Araceae — Arum family Temporal range: 70–0 Ma … Wikipedia
Oxalate — The structure of the oxalate anion A ball and stick model of oxal … Wikipedia