English language
Toggle Transcript
Examples of pinnule
pinnule
Sori are circular and occur on either side of the fertile pinnule midvein.
From the en.wikipedia.org
Rarely, a frond may even be tripinnate, in which case the pinnule divisions are known as ultimate segments.
From the en.wikipedia.org
The round sori occupy two rows on either side of the midrib of each pinnule and are covered by a centrally-attached, umbrella-like indusium with fringed edges.
From the en.wikipedia.org
- Pinna: division of a usually pinnately divided leaf
- Any of the ultimate leaflets of a bipinnate or tripinnate leaf; a subleaflet
- (PINNULES) or SUBLEAFLETS are present on a twice-divided or twice-cut fern.
- (Pinnules) A featherlike or plumelike organ or part, such as a small fin, or one of the appendages of a crinoid.
- (pinnules) a series of side branches of some feather-shaped organ
- A secondary leaflet or division in a compound leaf.
- The individual leaflets of a fern frond.
- Smallest divisions of a leaf which is doubly compound, especially in ferns.
- The ultimate segment of a divided pinna.
