types:
esporofilo
leaf in ferns and mosses that bears the sporangia
limbo
especially a leaf of grass or the broad portion of a leaf as distinct from the petiole
fronda
compound leaf of a fern or palm or cycad
hoja compuesta
a leaf composed of a number of leaflets on a common stalk
hoja entera
a leaf having a smooth margin without notches or indentations
hoja aserrada
a leaf having a margin notched like a saw with teeth pointing toward the apex
hoja partida
a leaf having margins incised almost to the base so as to create distinct divisions or lobes
cotiledón
embryonic leaf in seed-bearing plants
pétalo
part of the perianth that is usually brightly colored
sépalo
one of the green parts that form the calyx of a flower
pinna
division of a usually pinnately divided leaf
hoja astada
a leaf shaped like a spearhead with flaring pointed lobes at the base
hoja lanceolada
a leaf shaped like a lance head; tapering to a point at each end
hoja lirada
a simple leaf having curvature suggestive of a lyre
hoja obtusa
a simple leaf having a rounded or blunt tip
hoja oblonga
a simple leaf that is rounded at each end with parallel sides
hoja obovada
an egg-shaped leaf with the narrower end at the base
hoja aovada
an egg-shaped leaf with the broader end at the base
hoja perfoliada
a leaf with the base united around--and apparently pierced by--the stem
hoja espatulada
spatula-shaped leaf; having a broad rounded apex and narrow base