Definition of Pinnules. Meaning of Pinnules. Synonyms of Pinnules

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

Definition of Pinnules

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 Pinnules 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...
- smaller jointed appendages known as "pinnules" which give them their feather-like appearance. Both arms and pinnules have tube feet along the margins of...
- the pinnules have a similar structure. The arms are very flexible and can be spread widely or coiled up. An ambulacral groove starts on each pinnule and...
- borne naked on non-laminar pinnules, while Todea and Leptopteris (subtribe Todinae) bear sporangia naked on laminar pinnules. Ferns in this family are...
- (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...
- attaching to the underside of pinnules that were otherwise morphologically identical to the standard non-reproductive pinnules. The pollen-bearing organs...
- Aporometra wilsoni. Plate XLVII shows three types of pinnules: first, second and distal pinnules (Figs 4–6), and pentacrinoid larvae (Figs 7–9) from youngest...
- ambulacral appendices. The second pinnule is m****ive, hard and curved. The basal segment of the proximal pinnules is curved or rounded. There are male...
- maidenhair, is a fern in the genus Adiantum. It has black stems and large flat pinnules. It is frequently grown as an ornamental greenhouse or houseplant. Ho****aki...
- distinct from other in Osmundaceae in that sporangia are born on laminar pinnules. The species in the genus have a sub-erect stem and co****, pinnate leaves...