特徵描述
作者
LIU, TANG-SHUI and YANG, KUOH-CHENG
型態特徵
Annual or perennial herbs, usually glabrous. Leaves alternate, rarely opposite, frequently pinnately or palmately compound; stipules absent. Flowers in racemes or cymes, zygomorphic, bisexual; sepals 2, petaloid, caducous; petals 4, in 2 whorls, outer and inner whorl very dissimilar, with or without spur; stamens 2, 4 or 6, filaments often alate and petaloid, free or connate below, nectariferous at base, anthers opening longitudinally, closely appressed to the style; ovary superior, bicarpellate, 1-loculed, placentation parietal; ovules 1 to numerous, campylotropous. Fruit a valved capsule or nut; seeds with minute embryo and mealy endosperm, cotyledon 1 or 2.
屬
About 17 genera with about 530 species, mainly in the temperate and subtropical regions of the northern hemisphere; two genera in Taiwan.
參考文獻
Fumaria 煙堇屬
作者
LIU, TANG-SHUI and YANG, KUOH-CHENG
型態特徵
Erect or prostrate annuals herbs, rarely perennial, usually glabrous, sometimes glaucous. Leaves alternate, 2- to 4 pinnately divided. Flowers small, pedicellate, in terminal or lateral racemes, bracteate, white, pink or purple; sepals 2, small, caducous; petals 4, free or partially connate, the two outer larger, spurred at base, the two inner narrower and coherent toward apex; stamens 6, united into two bundles; ovary superior, 1-locular, the style slender, persistent, the stigma with two big papillae; ovules 2 only. Nut globular, hard-walled, with two apical pits; seeds with thin brown testa and a apical depression.
