Droseraceae
茅膏菜科
特徵描述
作者
LIU, TANG-SHUI
型態特徵
Mostly terrestrial or rarely aquatic, insectivorous, perennial herbs, rarely undershrubs, usually with glandular-pilose hairs. Leaves alternate, rarely verticillate, simple, circinate in bud, cauline or in basal rosettes; petioles mostly distinct, sometimes foliaceous; stipules lateral, interpetiolar or absent. Flowers bisexual, mostly 5-merous, actinomorphic, solitary or in racemes; sepals and petals free, or sepals basally connate; stamens usually as many as petals and alternating with them or rarely up to 20; ovary superior, 1-locular; carpels 3-5, styles 3-5, stigma simple or fimbriate; ovules few to numerous, mostly on parietal or sometimes basal placentas. Capsules mostly loculicidally 3-5-valved; seeds many or few; endosperm fleshy; embryo straight.
屬
Over 100 species in six genera worldwide; one genus with four species in Taiwan.