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1. Bergia Linnaeus, Mant. Pl. 2: 152, 241. 1771.
田繁缕属 tian fan lü shu
Herbs annual, perennial, or subshrubs, erect or prostrate, richly branched. Leaves opposite, petiolate; leaf blade margin serrulate. Flowers numerous, arranged in axillary cymes or clustered in leaf-axils, rarely solitary, very small. Sepals 5, free, leathery, with conspicuous midrib, margin membranous, apex long acuminate. Petals 5, free, membranous. Stamens 5-10. Ovary ovoid-globose or subglobose, 5-loculed, many-ovuled, apex subacute; styles short; stigmas capitate. Capsule sub-bony, 5-septicidal. Seeds oblong, slightly curved, reticulate with elliptic pits.
About 25 species: tropical and warm-temperate regions; three species in China.
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| 1 |
Plants glabrous; stem thick and juicy; flowers numerous in axillary cymes. |
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1 B. capensis |
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Plants glandular hairy and puberulous; stem neither thick nor juicy; flowers clustered in leaf axils |
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(2) |
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| 2 (1) |
Herbs annual; flowers numerous per leaf axil, pedicel 1-2 mm; stamens 5. |
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2 B. ammannioides |
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Herbs perennial or subshrubs; flowers 4 or 5 per leaf axil, pedicel 3-8 mm; stamens (5-)10. |
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3 B. serrata |
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Lower Taxa
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