Leaf Types Flashcards
Undivided or uninterrupted leaf blade, though it may be lobed.
Simple
Blade divided into lobes of which the sinuses reach more than midway to the rachis
Pinnatifid
a leaf blade divided into two or more segments
Compound
Term used for leaves more than once pinnately compound.
Decompound
Photosynthetic division of a compound leaf
Leaflet
Main axis of a compound leaf or inflorescence from which leaflets or flowers are borne
Rachis
Stalk of a leaflet
Petiolule
An undeveloped shoot or flower
Bud
Compound leaf with leafltes distributed on both sides of the rachis
Pinnately Compound
Compound Leaf with an even number of leaflets with no terminal leaflet
Even Pinnately
Compound leaf with an odd number of leaflets ending in a terminal leaflet
Odd Pinnately
Compound leaf with all leaflets attached at the apex of the petiole.
Palmately
Compound leaf with three leaflets
Trifoliate or Ternate