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题名: A new species in Potentilla section Leptostylae (Rosaceae) from Yunnan, China
作者: Ikeda, H; Ohba, H; Wu, SG
刊名: NOVON
关键词: China ; chromosome number ; Potentilla ; Rosaceae ; section Leptostylae
英文摘要: A new species, Potentilla polyphylloides H. Ikeda & H. Ohba. is described and illustrated. It is assigned to section Leptostylae by having an herbaceous habit. slender or fusiform styles. auricles of stipules (of banal leaves situated at adaxial side of petioles, and flowering stems from axils of basal leaves. It resembles P. polyphylla Wallich ex Lehmann, but differ, by its glandular hairs on the lower surface of leaflets, pedicels, and the outside of episepals, as well as the occasional rooting at the axils of cauline leaves on the lower portion of flowering stems. Potentilla polyphylloides resembles P. fullens Cardot sharing the glandular hairs, but P. fullens differs in having nearly entire episepals that are shorter than the sepals, and longer styles nearly twice as long as the ovaries. Potentilla polyphylloides has a chromosome number of 2n = 42, while that of P. polyphylla and P. fallens is 2n = 28.
出版日期: 2002-03-01
卷号: 12, 期号:1, 页码:53-57
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 1055-3177
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/14247
Appears in Collections:离退休_期刊论文

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作者单位: 1.Okayama Univ Sci, Fac Informat, Okayama 7000005, Japan
2.Univ Tokyo, Univ Museum, Dept Bot, Tokyo 1130033, Japan
3.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China

Recommended Citation:
Ikeda, H; Ohba, H; Wu, SG.A new species in Potentilla section Leptostylae (Rosaceae) from Yunnan, China,NOVON,2002,12(1):53-57
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