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46. Striga Loureiro, Fl. Cochinch. 1: 22. 1790.
独脚金属 du jiao jin shu
Herbs, parasitic. Leaves opposite below, alternate above, narrow, sometimes reduced to scales. Flowers solitary in leaf axils or in spikes, usually with a pair of bracteoles. Calyx tubular, conspicuously 5-15-ribbed, 5-lobed. Corolla salverform; tube curved in middle or apically; limb patent, weakly 2-lipped; lower lip 3-lobed; upper lip shorter than lower, entire, emarginate to 2-lobed. Stamens 4, didynamous; anthers 1-loculed, base spurless, apex pointed. Stigma clavate. Capsule loculicidal. Seeds numerous, ovoid to oblong; seed coat reticulate.
About 20 species: Africa, tropical and subtropical Asia, Oceania; four species in China.
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| 1 |
Calyx 15-ribbed, 0.9-1.5 cm. |
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(2) |
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Calyx 5- or 10-ribbed, less than 0.8 cm. |
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(3) |
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| 2 (1) |
Calyx lobes ca. 2 X as long as tube; corolla tube to 1.2 cm |
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2 Striga masuria |
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Calyx lobes almost as long as tube; corolla tube ca. 2 cm |
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3 Striga angustifolia |
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| 3 (1) |
Calyx 10-ribbed; corolla tube curved near apex, limb bright yellow, rarely white or red |
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1 Striga asiatica |
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Calyx 5-ribbed; corolla tube curved above middle, limb white or pale pink |
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4 Striga densiflora |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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