特徵描述
作者
YANG Yuen-Po , LU Sheng-You and CHEN Tien-Tsai
型態特徵
Shrubs or trees, rarely herbs. Leaves opposite or rarely verticillate, simple or compound, estipulate. Inflorescence terminal or axillary, cymes, racemes, spikes or thyrses, sometimes capitate. Flowers bisexual or polygamous, zygomorphic or sometimes actinomorphic. Calyx gamosepalous, persistent, 4 or 5-lobed. Corolla gamopetalous, 4 or 5-lobed, lobes equal to subequal sometimes with a conspicuous lip. Stamens 4, didynamous and unequal or equal, alternate corolla lobes. Ovary superior, 2–8-locular, ovules 1 or 2 per locule, entire or 4-lobed, style terminal, stigma simple or bifid. Fruit a drupe or capsule, sometimes breaking up into nutlets. Seeds 1–4, usually without endosperm.
屬
About 90 genera and 2,000 species, chiefly in tropical and subtropical; about 10 genera in Taiwan, three of the genera introduced and naturalized.
參考文獻
Sphenodesme 楔翅藤屬
作者
YANG Yuen-Po , LU Sheng-You and CHEN Tien-Tsai
型態特徵
Shrubs, climbing, glabrous or hairy. Leaves short petiolate, usually entire. Inflorescence capitate cymose, 3–7-flowered, pedunculate, subtended by an involucre with 5 or 6 bracts. Calyx funnelform, 5-dentate; corolla tube short, cylindric, lobes 5, imbricate in bud; stamens 5, included or slightly exserted; ovary 2-locular, ovules 2 per locule, stigma shortly 2-fid or 2-lobed. Fruit a drupe, globose or obovoid, included in persistent calyx; seeds 1 or 2.