特徵描述
作者
LI, HUI-LIN
型態特徵
Trees or shrubs; juice often milky and acrid. Leaves alternate, very rarely opposite, estipulate, simple or compound. Inflorescence various; flowers small, regular, unisexual, polygamous, or bisexual. Calyx 3–5-partite, sometimes accrescent. Petals 3–5, alternate with the sepals, free, imbricate or valvate. Disc flat, cup-shaped or annular, entire or lobed, rarely obsolete. Stamens as many as the petals, rarely more, inserted under, rarely on the disc, the filaments usually subulate; anthers 2-celled, basifixed or dorsifixed. Ovary superior, very rarely half-inferior, 1- or 2–6-celled, of 5–6 free carpels in Buchanania; ovules solitary in the cells, pendulous from the top or wall or from an ascending basal funicle. Fruit usually a l–5-celled, 1–5-seeded drupe. Seeds exalbuminous; embryo straight or curved; cotyledons plano-convex.
屬
Genera about 60, chiefly tropical.
參考文獻
Semecarpus 大果漆屬
作者
HSIEH, TSUNG-HSIN
型態特徵
Trees. Leaves alternate, simple, quite entire, coriaceous. Flowers small, polygamous or dioecious, in terminal, rarely axillary panicles; calyx 5–6-fid, the segments deciduous; petals 5–6, imbricate; disc broad, annular; stamens 5–6, inserted at the base of the disc, imperfect in the pistillate flowers; ovary 1-celled, the styles 3; ovule pendulous from a basal funicle. Drupe fleshy, oblong or subglobose, oblique, seated on a fleshy receptacle formed of the thickened disc and calyx base; pericarp loaded with acrid resin; seeds pendulous, the testa coriaceous, the inner coat somewhat fleshy.
