Compound ternate, the ternate divisions themselves divided into threes. A compound leaf divided in threes, whose leaflets are in tum...

Of an ovule, with two integuments.  

With two grooves.  

Having both sexes in the same flower, or in the same inflorescence. Having both sexual reproductive structures (male and female)...

(Of leaf margins) serrate, but with alternating teeth of two different sizes; or when large serrations are themselves serrate. Doubly...

In two series or whorls; (Of hairs) with two parallel and adjacent rows of cells.  

Partly divided in two.  

Divided into two equal parts.    

Oblong and slightly constricted in the middle .  

(In Cyperaceae) inflorescence branched to two orders, roughly funnel-shaped.