特徵描述
作者
YING, Shao-Shun
型態特徵
Annual, biennal or perennial herbs; sometimes subshrubs or even shrubs, very rarely climbing; usually with a subterranean bulb, tuber, corm or rhizome, sometimes producing superterranean bulbils or rooting buds; stem present or absent; often erect or nearly so. Leaves simple, alternate or rarely verticillate to subopposite, membranaceous to chartaceous, or coriaceous or fleshy, some reduced to scales. Flowers mostly bisexual, rarely unisexual; actinomorphic to slightly zygomorphic, solitary, or in racemes, spikes panicles, umbels or subumbels; tepals mostly 6, rarely 4 or 8, free or connate at base and forming a tube, equal or more or less unequal. Stamens 6, rarely to 12 or fewer, hypogynous or adnate to and always opposite tepals; filaments free or variously connate; anthers 2-celled, oblong to linear, opening by a lengthwise slit or rarely by a terminal pore. Ovary usually superior, rarely half inferior, mostly 3-celled, rarely 1-celled or 4-celled; ovules numerous in each cell, biseriate, rarely 2, placentas parietal; style mostly 1, entire or more or less 3-fid. Fruit a berry or capsule; capsules loculicidal or septicidal; seeds solitary to numerous, endosperm abundant, fleshy or cartilaginous; embryo straight or curved.
屬
About 300 genera and more than 4,000 species worldwide, but abundant in temperate regions of both hemispheres; 21 genera in Taiwan.
參考文獻
Disporopsis 假寶鐸花屬
作者
YING, Shao-Shun
型態特徵
Perennial herbs; rhizome creeping, thickened, terete, fleshy, usually yellowish or pale yellow. Stem erect or ascending, glabrous, green; leafy upward. Leaves alternate, distichous or nearly so, sessile to short petiolate; blade ovate to oblong-ovate or oblong-lanceolate, chartaceous to membranaceous, entire. Flowers 1, 2 or 3, fascicled, axillary; pedicels articulate; perianth tubular to campanulate, 6-lobed; segments (or lobes) equal to subequal, slightly saccate at base, corona within perianth tube; stamens 6, usually attached to base of corona; filaments short or anthers nearly sessile; anthers opening by slits, dorifixed; ovary globose or ovoid, sessile to shortly stipite, 3-celled; each cell with 4 ovules; style short, 3-lobed or capitate. Fruit a berry, brown to dark red; seeds several, kidney shaped; testa thin membranous, not lustrous. Basic chromosome number X=10.
