Leaf arrangements Flashcards
1
Q
A
Opposite
Two leaves born per node. Leaves opposite on twig
2
Q
A
Sub-opposite
Pair of leaves close but not at the same level on the stem
3
Q
A
Alternate
One leaf borne per node; leave spiraling around twig
4
Q
A
Whorled
Three or more leaves per node
5
Q
A
Decussate
Leaves in pairs with each adjacent pair at a right angle (90 deg) from each on the twig
6
Q
A
Acaulescent
stem-less herbaceous plant.
7
Q
A
Sheathing Leaf
Tissue that partially surrounds another organ
8
Q
A
Sessile
Without a petiole
9
Q
A
Decurent
Extending down the stem, as in leaf tissue
