Rosaceae

薔薇科

APG 4

Rosaceae 薔薇科

特徵描述

屬列表

標本列表

特徵描述

作者

OHASHI, HIROYOSHI

型態特徵

Trees, shrubs or herbs. Leaves alternate or rarely opposite, simple or compound; stipules paired, rarely absent. Inflorescences terminal or axillary, cymose, corymbose, racemose or paniculate, rarely reduced to a single flower. Flowers usually bisexual and actinomorphic. Calyx free from or adnate to the ovary; tube (hypanthium) short or elongated; lobes mostly 5. Petals mostly 5, rarely absent, inserted below the margins of the disc, deciduous. Stamens mostly numerous, usually in a complete ring at the margin of or above the disc; filaments usually free; anthers small, didymous, rarely elongated, 2-locular, dehiscing lengthwise. Carpels 1 to many , free or connate, usually adnate to the calyx-tube; ovules often 2 (rarely 1 to many) in each carpel or ovary-loculus, superposed, anatropous; styles free or connate, basal, lateral or subterminal. Fruits superior to inferior, nude or enclosed by the persistent calyx-tube, drupaceous, pomaceous, follicular or of an indefinite number of achenes. Seeds erect or pendulous, exalbuminous; cotyledons mostly fleshy, plano-convex.

屬

About 120 genera with over 3,300 species, world-wide, especially abundant in the northern temperate regions; 24 genera with 94 species recognized in Taiwan.

參考文獻

OHASHI, HIROYOSHI, Flora of Taiwan, second edition 3: 69. 1993. (Fl. Taiwan 2nd edit.)
Iketani, H. & H. Ohashi, Journal of Japanese Botany 66: 319-351. 1991. (J. Jpn. Bot.)
Kalkman, C., Blumea 21: 413-442. 1973.
Kalkman, C., The journal of the Linnean Society of London. Botany 98: 37-59. 1988. (J. Linn. Soc., Bot.)
Liu, T. S. & H. J. Su, Flora of Taiwan 3: 57-144. 1997. (Fl. Taiwan)
Ohashi, H., Systematic Botany 16: 376-394. 1989. (Syst. Bot.)
Robertson, K. R., J. B. Phipps, J. R. Rohrer & P. G. Smith, Systematic Botany 16: 376-394. 1991. (Syst. Bot.)
Yu, T. T. (ed.), Flora Reipublicae Popularis Sinicae 36: 1-443. 1974. (Fl. Reip. Pop. Sin.)
Yu, T. T. (ed.), Flora Reipublicae Popularis Sinicae 37: 1-516. 1985. (Fl. Reip. Pop. Sin.)
Yu, T. T. (ed.), Flora Reipublicae Popularis Sinicae 38: 1-133. 1986. (Fl. Reip. Pop. Sin.)

Potentilla 翻白草屬

作者

OHASHI, HIROYOSHI

型態特徵

Perennial herbs or rarely annual herbs or shrubs. Leaves radical or alternate, digitately 3- to 7-foliolate or pinnately compound, the stipules adnate to the base of the petiole. Inflorescence usually cymose-paniculate, rarely solitary; calyx-tube concave, calyx-lobes 5, alternate with the bracts of the calycles; petals 5 (rarely 4), deciduous, obcordate or rounded, usually not clawed, yellow, white or rarely dark-purple; stamens usually about 20; anthers more or less didymous; filaments filiform or subulate; receptacles hemispheric or conical; carpels usually many, rarely 10 or fewer; styles lateral or terminal, persistent or deciduous, long and filiform or short. Fruits achenes, numerous, minute, smooth or pilose, sessile, 1-seeded. Seeds pendulous or ascending.