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14. Pristimera Miers, Trans. Linn. Soc. London. 28: 360. 1872.
扁蒴藤属 bian shuo teng shu
Authors: Hua Peng & Michele Funston
Woody lianas, glabrous or puberulent; branches terete to quadrate, internodes slightly dilate, lenticellate. Leaves opposite or subopposite, entire or serrate. Inflorescences axillary, rarely terminal, cymose, rarely thyrsoid. Flowers bisexual, 5-merous, light yellow. Disk fleshy, inconspicuous, annular or cupular, extrastaminal. Stamens 3; anthers transversely dehiscent, extrorse. Ovary compressed, triangular, 3-locular; ovules axile, 2-6 per locule, binate or imbricate from apex to base per locule. Fruits commonly 3-fascicled capsules or degenerating into only 1 capsule; capsule transversely flattened, thinly leathery, grooved, loculicidally dehiscent. Seeds 2-6, with membranous basal wing, conspicuously 1-grooved at middle, exalbuminous.
About 30 species: mainly in Central and South America and tropical Asia; four species (one endemic) in China.
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| 1 |
Petals 2-3 mm; capsule 6-seeded; leaf blade leathery. |
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4 P. cambodiana |
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Petals ca. 1.5 mm; capsule 1-seeded; leaf blade papery |
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(2) |
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| 2 (1) |
Leaf blade usually 8-15 × 5-7 cm; ripe capsule 6.5-8.5(-12) × 2.5-3(-3.8) cm. |
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3 P. arborea |
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Leaf blade usually 3.5-8(-10) × 2-4(-5) cm; ripe capsule 2.5-4(-4.5) × 1-1.5 cm |
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(3) |
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| 3 (2) |
Young branches and inflorescence branches glabrous, usually subterete. |
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1 P. indica |
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Young branches and inflorescence branches densely glandular, setulose, sharply quadrangular. |
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2 P. setulosa |
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Lower Taxa
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