特徵描述
作者
LI, HUI-LIN
型態特徵
Shrubs or trees, erect or climbing, glabrous or with simple hairs. Leaves alternate, estipulate, simple or compound. Flowers small or minute, hermaphroditic or polygamous, usually panicled. Calyx 4–5-partite, imbricate. Petals 4–5, equal or unequal, opposite or alternate with the sepals, imbricate. Disc usually small, annular. Stamens 4–5, opposite the petals, inserted at the base of or on the disc, all perfect or two only perfect and three without anthers; filaments clavate, flattened or subulate; anthers didymous, the cells distant, bursting transversely or by a deciduous capsule. Ovary 2–3-celled, compressed or 2–3-lobed; styles 2–3, free or connate or 0, the stigmas punctiform; ovules 1–2 in each cell. Fruit drupaceous or dry but not dehiscent. Seeds compressed or globose; testa membranaceous or coriaceous, exalbuminous; embryo various; the cotyledons often contorted.
屬
A small family of four genera and 65 species, tropical and eastern Asia; two genera in Taiwan.
參考文獻
Meliosma 泡花樹屬
作者
LI, HUI-LIN
型態特徵
Trees or shrubs, usually pubescent or tomentose. Leaves simple or odd-pinnate; leaflets subopposite, the terminal rarely wanting. Flowers in branched panicles, small or minute, hermaphroditic; bract caducous; bracteoles and sepals 5–9, persistent, forming an uninterrupted whorl around the much larger petals, the other ones smaller; petals 5, 3 larger, nearly orbicular, valvate or imbricate, 2 smaller, interior, placed behind the fertile stamens; stamens 5, 2 fertile, opposite the smaller petals, the filaments short, flattened, incurved, expanded at the top into a cup, which bears two globose cells; 3 stamens deformed, opposite the larger petals and forming a cup; disc cupular or annular, with 2–5 simple or toothed teeth; ovary sessile, 2- rarely 3-celled, the style simple or 2-partite, the stigma pointed; ovules 2 in each cell. Drupe small, oblique, subglobose; stone crustaceous, 1-celled, with a basilar rounded projection; seeds globose, the testa mem¬branaceous.
