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
Bischofia 重陽木屬
作者
HSIEH, CHANG-FU, CHAW, SHU-MIAW and WANG, JENN-CHE
型態特徵
Glabrous trees. Leaves alternate, 3-foliolate; leaflets often crenate. Flowers on axillary or lateral panicles, minute, dioecious. Male flowers: sepals 5, concave, obtuse, imbricate, concealing the anthers; stamens 5, the filaments short, the anthers large, with parallel cells; disc 0; pistillode short, broad. Female flowers: sepals ovate, caducous; staminodes 5, small or 0; ovary exserted, 3–4-celled; styles long, linear, stout, entire; ovules 2 in each cell. Fruit globose, fleshy, with 3–4 cells lined with a 2-valved endocarp; seeds turgidly oblong.
