Definition of Pinnule. Meaning of Pinnule. Synonyms of Pinnule

Here you will find one or more explanations in English for the word Pinnule. Also in the bottom left of the page several parts of wikipedia pages related to the word Pinnule and, of course, Pinnule synonyms and on the right images related to the word Pinnule.

Definition of Pinnule

Pinnule
Pinnule Pin"nule, n. [L. pinnula, dim. of pinna feather: cf. F. pinnule.] 1. (Bot.) One of the small divisions of a decompound frond or leaf. See Illust. of Bipinnate leaf, under Bipinnate. 2. (Zo["o]l.) Any one of a series of small, slender organs, or parts, when arranged in rows so as to have a plumelike appearance; as, a pinnule of a gorgonia; the pinnules of a crinoid.

Meaning of Pinnule from wikipedia

- compound leaf, or a pinnate subdivision of a multipinnate leaf is called a pinnule or pinnula. Pinnate leaf of a legume with 10 leaflets Mimosa pudica folding...
- crinoids the five arms are subdivided into ten or more. These have feathery pinnules and are spread wide to gather planktonic particles from the water. At some...
- the stipe are known as pinnae and are often again divided into smaller pinnules. Fern stems are often loosely called rhizomes, even though they grow underground...
- which each pinna are divided are called pinnules, and the extensions of the rachis that support these pinnules, are called rachillae. Rarely, a frond may...
- several branching off the rachis. Each leaflet is called a pinnule. The group of pinnules on each secondary vein forms a pinna; for example, Albizia (silk...
- Crinoids catch food particles using the tube feet on their outspread pinnules, move them into the ambulacral grooves, wrap them in mucus, and convey...
- seta. Scales on pinnule veins are whitish. Sori are round and borne on either side of the pinnule midvein, towards the base of the pinnule segment. They...
- Dahlia'. The remaining two herbaceous sections being distinguished by their pinnules, opposing (Dahlia) or alternating (Entemophyllon). Sections (including...
- distinguished by the innermost pinnule on the bottom side of the bottom pinna: this pinnule is longer than the adjacent pinnules in D. carthusiana, but shorter...
- (16 ft) in height. Its leaves are bipinnate with linear-oblong and glabrous pinnules. Its yellowish flowers are terminal panicles with globose heads. The pods...