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12. Salacia Linnaeus, Mant. Pl. 2: 159. 1771.
五层龙属 wu ceng long shu
Authors: Hua Peng & Michele Funston
Courondi Adanson.
Climbing or scrambling shrubs or small trees, glabrous or glabrescent; branchlets subterete, internode usually dilated or slightly flat. Leaves opposite to subopposite, rarely alternate, entire, crenate, or serrate, estipulate. Inflorescences axillary or cauliflorous, thyrsoid, cymose, or fasciculate. Flowers bisexual, 5-merous. Disk fleshy, pulvinate or cupular, entire or lobed, extrastaminal. Stamens (2 or)3; anthers longitudinally, obliquely, or transversely dehiscent, extrorse or apical. Ovary (2 or)3-locular, whole or mostly concealed in disk; ovules axile, 2-9 per locule. Berry spheroid, fleshy or subligneous. Seeds 2-12, angular, exalbuminous, surrounded by mucilaginous arils.
About 200 species: chiefly in tropical regions; ten species (eight endemic) in China.
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| 1 |
Berry usually up to 2 cm in diam.; leaf blade small, 5-11 × 2-5 cm |
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(2) |
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Berry 2-5 cm in diam.; leaf blade large, (8-)10-25 × 4-10 cm |
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(3) |
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| 2 (1) |
Leaf blade entire; axillary or terminal cymes, many flowered, peduncle 4-7 mm; berry ca. 1.6 cm in diam |
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9 S. confertiflora |
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Leaf blade sinuate; axillary fascicles, 3-6-flowered, peduncle absent; berry ca. 1 cm in diam.. |
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10 S. chinensis |
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| 3 (1) |
Flowers many, fasciculate, peduncle ca. 1 cm |
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(4) |
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Flowers many or few, fasciculate, peduncle absent |
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(5) |
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| 4 (3) |
Leaf blade oblong or oblong-elliptic, abaxially not glaucous. |
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1 S. polysperma |
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Leaf blade ovate to narrowly ovate, abaxially glaucous. |
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2 S. glaucifolia |
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| 5 (3) |
Leaf blade margin entire |
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(6) |
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Leaf blade margin subentire to denticulate or serrulate |
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(8) |
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| 6 (5) |
Leaf blade lanceolate. |
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3 S. cochinchinensis |
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Leaf blade obovate-elliptic or oblong-elliptic |
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(7) |
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| 7 (6) |
Leaf blade obovate-elliptic, 15-20 × 7-11 cm; flowers 3 or 4, axillary or extra-axillary; sepal margin ciliolate. |
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4 S. obovatilimba |
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Leaf blade oblong-elliptic, 12-17 × 5-7.5 cm; flowers many, axillary; sepal margin membranous. |
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5 S. hainanensis |
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| 8 (5) |
Branches slender, smooth, glabrous, sparsely lenticellate; leaf blade papery. |
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8 S. aurantiaca |
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Branches robust, densely lenticellate; leaf blade leathery or subleathery |
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(9) |
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| 9 (8) |
Leaf blade narrowly or broadly oblong-elliptic, 13-23 × 6-8 cm; flowers many, pedicel 8-9 mm; berry up to 4.5 cm in diam.. |
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6 S. amplifolia |
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Leaf blade oblong-lanceolate, 10-15 × 3.5-5 cm; flowers 3 or 4, pedicel ca. 1 mm; berry commonly 2-2.5 cm in diam.. |
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7 S. sessiliflora |
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Lower Taxa
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