【摘要】 <正> 紫茎属Stewartia是Linnaeus 1753年在植物种志(Species Plantaram)及1754年在植物属志(Genera Plantarum),根据北美洲东部所采的标本,订名为Stewartia malacodendron Linn,而成立这个属.以后本属植物在中国及日本陆续有所发现.在中国Rehder和Wilsom在1915年将湖北西部采来的标本(Veitch Expod No 2148),订名为S.sinensis Rehd. et Wils.;钱崇澍和郑万钧在1931年发表S.gemmata Chien et Cheng;同年Merrill发表S.Viilosa Merr.;后更改为Hartia Villosa(Merr.)Merr.;张宏达1959年发表S.rubiginosa Chang. Spongberg 1974年发表S.rostrata Spong.并将S.gemma-ta Chien et Cheng并入S.sinensis Rehd. et Wils.更多还原

【Abstract】 The prescent paper is an advance study of Chinese Stewartia, The result indicates that, it contains 7 species, among which three have been descibed, i. e.: S. sinensis Rekd.et Wils. (Sarg. pl. Wils, 11: 395, 1915), S. rubiginosa Chang (Acta Univ. Sunyatsen 2: 23, 1959), S. rostrata spongb. (Jour. Arn. Arb. 55: 198. 1974). Four of seven species were newly descibed in this paper: .S. brevicalyx Yan the bract broad-egg or similarly cordata in shape: sepel similar rotund exteriorly, narrow proceed from the outside to inside. S.nanlingensis Yan the cortices red-brown in color, deciduous thin-paper like, sepal shorter than bract. S.oblongila Hu black-purple ramellus, nitid. S.glabra Yan small and thin leaf glabrescent, ovary, glabrous.更多还原