APPW key feature pages

Leaf base

A leaf base is that part of the leaf at the junction between the laminalamina:
(n) the expanded portion of a leaf or petal
and the petiolepetiole:
(n) the stalk of a leaf
, or if there is no petiolepetiole:
(n) the stalk of a leaf
, the base of the leaf where it attaches to the stem. For compoundcompound:
(adj) with two or more like parts, as in a compound leaf; divided into two or more subsidiary parts or orders, as in a compound inflorescence
leaves, both leaf and leafletleaflet:
(n) one of the leaf-like units of a compound leaf
bases have been scored. Straight, parallel sided leaves may also be sheathing or clasping the stem.

rounded to squared
attenuate
cordate
sagittate
 
peltate
straight, +/- parallel-sided or flaring
APPW key feature pages