a. 针状的

[ adj ]
narrow and long and pointed; as pine leaves
<adj.all>

Acerose \Ac"er*ose`\, a. [(a) L. acerosus chaffy, fr. acus, gen.
aceris, chaff; (b) as if fr. L. acus needle: cf. F.
ac['e]reux.] (Bot.)
(a) Having the nature of chaff; chaffy.
(b) Needle-shaped, having a sharp, rigid point, as the leaf
of the pine.