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Ranunculaceae

毛茛科

特徵描述
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特徵描述

作者

YANG, T. Y. ALECK and HUANG, TSENG-CHIENG

型態特徵

Mainly annual or perennial herbs, sometimes small shrubs or woody climbers, rarely polygamous or dioecious herbs. Leaves simple or compound, radical or cauline, often divided, mostly alternate but opposite in Clematis; stipules mostly absent or present, adnate to petiole, rarely free. Inflorescence cymes, racemes, panicles or flower solitary. Flowers bisexual, rarely unisexual, actinomorphic (regular), or zygomorphic (irregular). Petals hypogynous, free, imbricate or valvate in Clematis, deciduous. Sepals 4 or 5, green or colored. Petals 4 or 5 or more, or absent, well developed or sometimes reduced to nectaries, spur present or absent, usually at base. Stamens hypogynous, numerous, free, spirally arranged; anthers 2-celled, introrse, longitudinally dehiscent. Carpels few to many, rarely solitary, free, spirally arranged or whorled, 1-celled; styles short to long; ovules 1-many, anatropous, erect or pendulous. Fruits achene or follicles, sometimes capsules or berries; seeds 1-many, small, albuminous, embryo minute.

About 58 genera with 1,750 species, worldwide, but mainly in the north temperate and frigid areas; 10 genera and 31 species in Taiwan.

參考文獻

Anemone 銀蓮花屬

作者

YANG, T. Y. ALECK and HUANG, TSENG-CHIENG

型態特徵

Perennial erect herbs with underground tubers. Leaves simple or ternate, alternate, or/and radical, few to many, palmately divided, nerves palmate; petiolate. Scapes erect or upwardly ascending; Inflorescence a cyme or umbel, or a single flower; bracts 2 or 3, or more, alternate or whorled and forming an involucre, palmately divided or unlobed, sessile or petiolate. Flowers bisexual, actinomorphic, white, purplish-blue or pale pink; sepals 5 or more, petaloid, imbricate, deciduous; petals absent; stamens numerous, anthers elliptic-globose or oblong-globose, filaments linear; carpels numerous or rather few, styles short or lacking, pilose or glabrous, ovaries pubescent or glabrous, each with 1 pendulous ovule. Achenes ovate-globose or nearly globose, rarely compressed, sessile, short or long stalked, pubescent.

參考文獻

標本列表

學名 中名 標本數