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17. Oxytropis sect. Orobia Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 22(1): 73. 1874.
大花棘豆组 da hua ji dou zu
Herbs, 3-25 cm tall, acaulescent. Leaves imparipinnate; leaflets not verticillate; leaflet blades pubescent on both surfaces but often adaxially sparingly so. Racemes 2-11-flowered or more; peduncle 2-15(-18) cm. Corolla of various colors, 0.5-2 cm. Legume subsessile or with a stipe to 5 mm; body cylindric, ovoid, or oblong-ovoid, 0.5-4 cm, erect, exserted from calyx, 1-locular to nearly 2-locular, with developed abaxial and adaxial (or only adaxial) septa.
About 70 species: Asia, Europe, North America; seven species (two endemic) in China.
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1 |
Corolla white or yellow, sometimes purplish violet, standard 1.7-2 cm; leaves 19-25 cm. |
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122 O. argentata |
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Corolla purple, pale pink, blue, bluish purple, violet, or white, standard 0.5-1.3(-2) cm; leaves 1.5-12 cm |
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(2) |
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2 (1) |
Calyx ca. 3 mm; peduncle shorter than leaves; legume sessile. |
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123 O. malloryana |
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Calyx 3-12 mm; peduncle longer than leaves; legume with a stipe ca. 5 mm or less |
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(3) |
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3 (2) |
Corolla standard 1.5-2 cm; legume stipe ca. 5 mm. |
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127 O. rupifraga |
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Corolla standard 0.5-1.3 cm; legume stipe 3 mm or less |
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(4) |
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4 (3) |
Corolla standard 0.9-1.3 cm, wings apically rounded. |
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128 O. immersa |
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Corolla standard (0.5-)0.6-1 cm, wings apically emarginate |
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(5) |
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5 (4) |
Peduncle 4-15 cm, 3-4 × as long as leaves; legume 10-15 mm; corolla standard with apex rounded. |
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124 O. lehmannii |
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Peduncle 1.8-15 cm, not more than 2 × as long as leaves; legume 5-8 mm; corolla standard with apex emarginate or emarginate to rounded |
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(6) |
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6 (5) |
Peduncle 1.8-3.5 cm, less than 2 × as long as leaves; leaves 0.5-3 cm. |
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125 O. savellanica |
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Peduncle 4-15 cm, to 2 × as long as leaves; leaves 2-12 cm. |
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126 O. proboscidea |
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Lower Taxa
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