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14. Oxytropis sect. Janthina Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 22(1): 20. 1874.
蓝花棘豆组 lan hua ji dou zu
Herbs, acaulescent or very shortly caulescent, matlike, moundlike, or cushionlike, with yellowish gray or glandular trichomes. Leaves imparipinnate; leaflets not verticillate; leaflet blades yellowish gray. Racemes 5- to many flowered; peduncle 1.5-9 cm. Corolla purple, bluish purple, blue, red, or yellow. Legume sessile, subsessile, or with a 3-4 mm stipe; body cylindric to ellipsoid, membranous.
About 40 species: Afghanistan, China, India, Kashmir, Kazakhstan, Kyrgyzstan, Nepal, Pakistan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia; seven species (four endemic) in China.
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| 1 |
Corolla red. |
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103 O. tukemansuensis |
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Corolla yellow, purple, blue, or bluish purple |
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(2) |
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| 2 (1) |
Corolla yellow. |
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104 O. stracheyana |
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Corolla purple, blue, or bluish purple |
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(3) |
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| 3 (2) |
Corolla standard ca. 1.3 cm, keel beak ca. 1 mm. |
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106 O. vermicularis |
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Corolla standard 0.5-1.3 cm, keel beak ca. 0.5 mm or ca. 2 mm |
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(4) |
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| 4 (3) |
Beak of corolla keel ca. 2 mm. |
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105 O. longialata |
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Beak of corolla keel ca. 0.5 mm |
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(5) |
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| 5 (4) |
Petiole 1.5-4 cm; leaves 17-25-foliolate; peduncle 5-9 cm. |
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109 O. valerii |
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Petiole less than 1.5 cm; leaves (9 or)11-19(or 21)-foliolate; peduncle (1.5-)2-5(-8) cm |
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(6) |
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| 6 (5) |
Corolla standard 5-8 mm, apex emarginate. |
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107 O. densa |
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Corolla standard 8-13 mm, apex subrounded. |
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108 O. humifusa |
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Lower Taxa
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