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11. Maharanga A. de Candolle, Prodr. 10: 71. 1846.
胀萼紫草属 zhang e zi cao shu
Herbs perennial or biennial, perhaps sometimes annual. Cymes terminal on main stem and sometimes on leafy branches, not clearly scorpioid, forming ± glomerate clusters wider than long, becoming ± corymbose or loosely racemose in fruit, bracteate. Calyx parted to middle or slightly below; lobes 5, narrowly triangular or cuneate. Corolla blue, purplish, yellow, or white, ovoid-ellipsoid or obovoid, contracted at both ends, abruptly expanding from a short tube into a relatively large inflated throat, with inflated ribs below lobes and deep furrows between them; throat unappendaged; lobes loosely recurved above middle; nectary ringlike, ± minutely villous. Anthers coherent at base, affixed below middle; filaments affixed at base of throat. Style included or slightly exserted. Gynobase broadly pyramidal. Nutlets slightly incurved, ± ovoid, ca. as long as wide, adaxially with a coarse prominent keel; attachment scar basal.
About nine species: Bhutan, India, Nepal, Thailand; five species in China.
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| 1 |
Corolla 1.4-1.6 cm. |
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(2) |
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Corolla 0.9-1.1 cm. |
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(3) |
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| 2 (1) |
Stem leaves crowded, rounded at base; corolla tube with inflated, pubescent folds |
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1 Maharanga microstoma |
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Stem leaves widely spaced, attenuate at base; corolla tube glabrous inside except for pilose glands |
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2 Maharanga lycopsioides |
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| 3 (1) |
Corolla dirty red, urceolate |
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3 Maharanga emodi |
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Corolla yellow or purple, tubular. |
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(4) |
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| 4 (3) |
Stem leaves oblong or oblong-lanceolate, 2-5 × 0.6-1.3 cm; filaments 1.5-2.5 mm |
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4 Maharanga bicolor |
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Stem leaves broadly lanceolate, 3-7 × 1.5-2.5 cm; filaments 4-5 mm |
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5 Maharanga dumetorum |
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Lower Taxa
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