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3. Boschniakia C. A. Meyer in Bongard, Mém. Acad. Imp. Sci. St. Pétersbourg, Sér. 6, Sci. Math. 2: 159. 1833.
草苁蓉属 cao cong rong shu
Xylanche Beck.
Herbs fleshy, glabrescent. Rootstock globose, subglobose, or long cylindric. Stems usually 1-3, erect, unbranched, cylindric, fleshy. Leaves spirally arranged, triangular or ovate-triangular. Inflorescences racemose or spicate; bract 1; bractlets 2 or absent. Flowers subsessile or short pedicelled. Calyx cupular or short cupular, apex irregularly 2-5-toothed; lobes triangular or lanceolate, partly or all deciduous and calyx-tube margin truncate. Corolla bilabiate; tube erect, enlarged; upper lip entire or apex emarginate; lower lip 3-lobed, lobes subequal. Stamens 4, exserted, inserted near base of corolla tube; filaments pubescent at base, glabrescent upward; anthers 2-celled, free or slightly connate. Ovary 1-locular; parietal placentas 2 or 3. Style slightly curved, persistent; stigma 2- or 3-lobed. Capsule ovoid-oblong or subglobose, dehiscing by 2 or 3 valves. Seeds ellipsoid-oblong or irregularly globose.
Two species: China, N India, Japan, Korea, Russia, North America; both species in China.
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Rootstock long cylindric; stems usually 2 or 3; inflorescences spicate; pedicel to 2 mm, 5-8 mm in fruit; corolla 1-1.2 cm; seeds ellipsoid-globose |
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1 Boschniakia rossica |
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Rootstock globose or subglobose; stems usually 1; inflorescences racemose; pedicel 6-10 mm, 8-17 mm in fruit; corolla 1.5-2.5 cm; seeds irregularly globose |
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2 Boschniakia himalaica |
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Lower Taxa
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