信阳师范学院学报（自然科学版）2012，Vol.25Issue(3)：333-335,3.DOI:10.3969/j.issn.1003-0972.2012.03.013
河南玉兰属二新种
Two New Species of Yulania Spach from Henan Province
摘要
Abstract
Two new species of the genus Yulania Spoch of Magnoliaceae from Henan Province were described. They are Y. fragarigynandria T. B. Zhao, Z. X. Chen et H. T. Dai,sp. nov. and Y. dabieshanensisT. B. Zhao Z. X. Chen et H. T. Dai, sp. nov. ined. The leaves of Y. fiagarigynandria T. B. Zhao, Z. X. Chen et J. Zhao,sp. nov. are similar with Y. cylindrica( Wils. )D. L. Fu leaves with difference as follows; Yulania-alabastra terminal or axillary, Yulania-alabastra is big, and it is turbinate or ovoid-ellipsoid (the base is short columnar, length 8-12 mm ). Single flower with tepals 9-18 pieces, petaliforra, on the outside of tepals the place where in the central below the middle of it is bright aubergine; sometimes with 1-3 pieces tepals, which especial tepals are fleshy, lanceolate, bright aubergine; gynandrium is big, the type is strawberry shape, the diameter is1. 8 -2. 3 cm, specifically, sometimes there are 2-5 pieces gynoecium in it. . The morphological characteristics of the Y. dabieshanensis T. B. Zhao et Z. X. Chen, sp. nov. is that leaves is ellipse or sepaloid-ovate. Its flowers have 4 shapes.关键词
木兰科/玉兰属/莓蕊玉兰/大别玉兰/新种/河南Key words
magnoliaceae/Yulania Spach/Y. fragarigynandria T. B. Zhao, Z. X. Chen et H. T. Dai/Y. dabieshanensis T. B. Zhao, Z. X. Chen et H. T. Dai, sp. nov. /new species/ Henan Province分类
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戴慧堂,赵东武,李静,赵天榜,陈志秀..河南玉兰属二新种[J].信阳师范学院学报（自然科学版）,2012,25(3):333-335,3.基金项目
国家林业局"948"资助项目(2003-4-19) （2003-4-19）
