特徵描述
作者
LI, HUI-LIN and HSIEH, CHANG-FU
型態特徵
Deciduous or evergreen shrubs or trees, often with stellate pubescence. Leaves alternate, rarely opposite, simple or palmately lobed, the teeth often glandular; stipules often 1–2, usually persistent, sometimes large, rarely wanting. Flowers bisexual, polygamous or monoecious, regular or irregular, small, perigynous or epigynous. Calyx-tube adnate to the ovary, the lobes 4–5, rarely 6–7, imbricate, rarely valvate. Petals 4–5, or wanting, usually valvate, rarely imbricate or circinate. Stamens 4–5, or sometimes more, perigynous, 1-seriate, the filaments free; anthers 2-celled, the connectives often produced. Ovary inferior, half-inferior, or rarely superior, 2-celled; styles subulate, free, often recurved, usually persistent; ovules 1 or several in each cell, anatropous, pendulous. Fruit a woody, 2-valved, 2-celled capsule; exocarp coriaceous; endocarp horny. Seeds often winged, albuminous, the testa black, horny; embryo erect.
屬
About 23 genera with 150 species, chiefly in subtropical and warm temperate regions of both hemispheres, six genera in Taiwan.
參考文獻
Liquidambar 楓香屬
作者
LI, HUI-LIN and HSIEH, CHANG-FU
型態特徵
Deciduous trees. Leaves alternate, slender-petioled, palmately 3–7-lobed, serrate, stipulate; stipules deciduous. Flowers apetalous, usually monoecious, in globose heads. Male flowers naked, consisting of stamens intermixed with small scales, in small heads forming terminal racemes, spikes or panicles. Female flowers consisting of 2-beaked ovary with confluent calyx, subtended by minute scales, in slender, peduncled, solitary, globose heads; staminodes present, on the margin of the calyx; ovary half-inferior, 2-celled; styles 2, elongated, subulate, recurved, stigmatic inside, persistent; ovules many. Fruiting head globose, formed by many capsules, spiny from the persistent styles; capsule 2-celled, septicidally dehiscent, the valves entire or split. Seeds 1 or 2, compressed, winged, the testa crustaceous.
