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
Stachytarpheta 木馬鞭屬
作者
YANG Yuen-Po , LU Sheng-You and CHEN Tien-Tsai
型態特徵
Herbs or shrubs, glabrous or variously hairy; branches often dichotomous. Leaves opposite or alternate, mostly dentate, often rugose. Inflorescence terminal, spicate, elongate. Flowers solitary in axil of bract, in furrows or excavations in rachis, blue, purple or red; calyx narrowly cylindric, membranaceous, 4 or 5-dentate; corolla tube cylindric, straight or curved, 5-lobed; stamens 2, inserted on upper part of corolla tube, included; ovary 2-locular, 1 or 2 ovules per locule, style elongate, stigma simple, peltate or capitate. Fruit dry, oblong-linear, enclosed by persistent calyx, splitting into two 1-seeded pyrenes.
