特徵描述
作者
HSIEH, CHANG-FU, CHAW, SHU-MIAW and WANG, JENN-CHE
型態特徵
Herbs, shrubs, or trees, often with milky juice, sometimes fleshy and cactus-like. Leaves alternate or rarely opposite, simple or variously compound, mostly stipulate. Flowers monoecious or sometimes dioecious, mostly actinomorphic, variously disposed, with or without perianth, sometimes with a corolla; perianth valvate or imbricate; sepals and petals usually distinct; disc often present, annular or of separate glands. Staminate flowers variable, with stamens usually as many or twice as many as the petals or reduced to one, distinct or mona-delphous; anthers mostly 2-celled. Pistillate flowers with or without staminodes, often pedicellate; ovary superior, consisting of 3 or sometimes 2, or more than 3, united, 1-celled or rarely 2-celled carpels; styles 3, distinct or basally connate, each often 2-lobed; stigmas 3 or 6; placentation axile; ovules one or less commonly 2, pendulous. Fruit usually a schizocarpous capsule splitting often elastically into three 1-seeded cocci that dehisce ventrally, sometimes a drupe; seeds often with a conspicuous caruncle; endosperm mostly copious, fleshy; embryo straight.
屬
A very large family containing about 300 genera and 8,000 species, mostly tropical and subtropical; 27 genera in Taiwan.
參考文獻
Flueggea 白飯樹屬
作者
HSIEH, CHANG-FU, CHAW, SHU-MIAW and WANG, JENN-CHE
型態特徵
Dioecious(less often monoecious) shrubs or trees; foliage branch mostly deciduous. Leaves simple, alternate(spiral or distichous), entire; petiole short; stipulate. Flowers solitary or fasciculate in axillary. Staminate flowers: sepals 4–7, imbricate, entire to denticulate on margins; stamens 4–7, filaments free, anthers extrorse, dehiscing longitudinally, pollen grains 3-colporate; pistillode present, usually 2- or 3-branched; discs of 4–7 segments; pedicel slender and elongated. Pistillate flower: sepals 4–7, imbricate, entire to denticulate; styles 3, free, spreading and bifid, the stigma sometimes dilated; ovary of 3 carpels; ovules 2 per locule; disc annular; pedicel terete or angled. Fruits capsular and dehiscent into 3 cocci or indehiscent and more or less baccate, columella persistent. Seeds trigonous, testa thin, smooth to reticulate to verruculose, sometimes ventrally invaginated at hilum.
