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114750
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BEGONIACEAE
秋海棠科
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Begonia
秋海棠屬
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Ching-I Peng 彭鏡毅 20670
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2005/10/30
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Chien-I Huang (黃建益), J. F. Maxwell, Pranee Palee
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泰國
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Chiang Rai Province. Mae Sai District, Huay Krai Subdistrict, by a shrine in front of Doi Tung Temple, below summit cliff, on limestone cliff face
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1350
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Broadleaf forest on limestone mountain
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Herb
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with a tuber at base, acaulis or with a short stem
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inflorescence arising directly from tuber; leaf margin & basal area of midvein brownish or green, with a circular silver band in-between
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Staminate flower: tepals 2, white, ovate-lanceolate, 11-13 x 7-8 mm, with red scabrous hairs around mid vein abaxially; stamens 12-16, yellow, free. Pistillate flowers not seen
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Capsules not fully mature, brownish-reddish green, body trianguloid (三角柱狀), 13-14 x 3.5-5 mm, 1-winged, the wing on upper 1/2-1/3 of the fruit body, obliquely triangular, 9-13 x 8 mm; fruit 3-locular, placentae 2-fid. Holotype of Begonia pengchingii
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