Petrocodon retroflexus sp. nov. (Gesneriaceae) from a karst cave in Guizhou,China |
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| Authors: | Jing Guo Tao Meng Hongbo Pang Qiang Zhang |
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| Affiliation: | 1. College of Life Sciences, Guangxi Normal Univ., P. R. China;2. Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Inst. of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, P. R. China;3. College of Chemistry and Life Science, Shenyang Normal Univ., P. R. China |
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| Abstract: | Petrocodon retroflexus Q. Zhang & J. Guo, a new species of Gesneriaceae from Guizhou, China, is described and illustrated. The new species is morphologically similar to Petrocodon viridescens W. H. Chen, Mich. Möller & Y. M. Shui, but differs by its leaf blade being ovate, broadly ovate to elliptic, 8–20 × 5–15 cm and densely pilose on both surfaces, narrowly triangular, 9 mm long, densely pilose bracts, white corolla that is decurved near the middle, with adaxial lip shallowly 4‐partitioned and retroflexed, and pistil ca 1.3 cm long and densely pilose and glandular‐pilose. |
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