pinnatifid

/pi-nat-uh-fid/US // pɪˈnæt ə fɪd //UK // (pɪˈnætɪfɪd) //

羽扇形,羽扇状的,羽扇形的,羽扇状

Definitions

adj.形容词 adjective

1
Botany.
- : pinnately cleft, with clefts reaching halfway or more to the midrib.

The leaves are sessile and pinnatifid, with very narrow segments, and the white flowers grow in solitary heads.
This is another of the downy species, its pinnatifid leaves having quite a woolly appearance.
It differs from the last in having ternate radical leaves with pinnatifid lobes, and the upper leaves, bi-pinnatifid.
They are usually twice pinnatifid, the pinnules being connected by a very narrow foliaceous border along the midribs.
Traillæ, which has “very large bipinnate fronds, all the pinnules pinnatifid.”