Nyctaginaceae
紫茉莉科
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特徵描述
作者
YANG, YUEN-PO and LU, SHENG-YOU
型態特徵
Herbs, shrubs, or trees, sometimes climbing, sometimes spiny, often glandular. Leaves simple, alternate or opposite or whorled, estipulate. Inflorescence various, usually an axillary or terminal cyme, often involucrate. Flowers perfect or unisexual, often bracteate; calyx corolloid, with a 3–5-lobed tube, lobes valvate or plicate in bud; corolla absent; stamens 1 to many, free or connate at base, anthers longitudinally dehiscent, dorsifixed; ovary superior, 1-celled, style 1, stigma capitate or variously devided. Fruit an achene or nut, ridged or winged, usually enclosed by the lower portion of the calyx; seed 1, embryo straight or curved.
屬
About 30 genera, and about 300 species, in tropical, subtropical, and warm temperate regions of both hemispheres; two native genera with three species in Taiwan.
