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Impatiens pingxiangensis sp. nov. (Balsaminaceae) from the limestone areas in Guangxi, China

发布时间:2010年08月18日  编辑:毕海燕

Hai-Yan Bi, Yuan-Tong Hou and Sheng-Xiang Yu

H.-Y. Bi and S.-X. Yu (yushengxiang@ibcas.ac.cn), State Key Laboratory of Systematic and Evolutionary Botany, Inst. of Botany, Chinese Academy of Sciences, CN_100093 Beijing, China. HYB also at: Graduate Univ. of Chinese Academy of Sciences, CN_100039 Beijing, China.

Y.-T. Hou, College of Life Sciences, Qufu Normal Univ., CN_273165 Shandong, China.

ABSTRACT:Impatiens pingxiangensis H. Y. Bi & S. X. Yu (Balsaminaceae), a new species from the limestone areas in Guangxi, China, is described and illustrated. The new species is similar to I. obesa in having succulent stems, subsessile peduncle, tufted pedicel and the lower petal in each pair of lateral united petals being connate, but differs from the latter by having perennial stems, leaf blades with 7_9 pairs of lateral veins, 1_2-flowered racemes, ovate inner lateral sepals, and elliptic capsule. Moreover, the pollen and seed coat characters also support the recognition of the new species.

Nordic Journal of Botany, 2010, Volume 28 Issue 1, Pages 1 – 5

National Natural Science of Foundation of China (Grant no. 30670149), and Beijing NOVA Program of China (Grant no. 2007A054)

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