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158. Ononis Linnaeus, Sp. Pl. 2: 716. 1753.
芒柄花属 mang bing hua shu
Perennial herbs or shrubs, usually glandular and villous, sometimes spiny. Leaves pinnately 1-3(-5)-foliolate, lateral often reduced or absent; stipules herbaceous, usually adnate to petiole, cauline stipules basally connate, bifid; stipels absent; leaflets toothed, lateral veins extending into teeth. Flowers 1-3 in short axillary racemes; peduncle often bristlelike; floral leaves sometimes reduced to bracts with flowers crowded into a spike. Calyx campanulate or tubular; teeth ± equal. Petals free from staminal tube, claw short; keel ± beaked. Stamens monadelphous; filaments dilated at apex; anthers dimorphic, alternately basifixed and dorsifixed. Ovary shortly stipitate; ovules 2 to many. Legume linear-oblong or ovate. Seed reniform, smooth or punctate.
About 75 species: N Africa, SW Asia, Europe; four species (two introduced) in China.
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| 1 |
Flowers yellow; legume linear-oblong, 10-25 mm. |
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4 O. natrix |
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Flowers pink, reddish purple, or purple; legume ovate to elliptic or rhomboid, more than 10 mm |
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(2) |
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| 2 (1) |
Plants without spines; flowers in pairs at nodes in dense leafy racemes. |
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2 O. arvensis |
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Plants with spines; flowers usually solitary at nodes in lax leafy racemes |
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(3) |
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| 3 (2) |
Corolla 6-10 mm, equal to or slightly longer than calyx. |
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1 O. antiquorum |
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Corolla 10-20 mm, 1.5-2 × as long as calyx. |
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3 O. spinosa |
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Lower Taxa
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