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81. Siphocranion Kudo, Mem. Fac. Sci. Taihoku Imp. Univ. 2: 53. 1929.
筒冠花属 tong guan hua shu
Herbs perennial, rhizomatous. Stems slender, leafless basally. Leaves mostly aggregated at apex. Racemes terminal, solitary or sometimes 3 together; verticillasters 2-flowered; bracteoles opposite, persistent. Flowers pedicellate. Calyx broadly campanulate, conspicuously 2-lipped; upper lip 3-toothed; lower lip longer, 2-toothed, teeth narrower. Corolla tubular, straight, narrow, base not saccate, sometimes slightly constricted at middle, slightly dilated at throat; limb very short, 2-lipped; upper lip 4-lobed, lobes subequal or middle 2 smaller; lower lip larger, margin entire, ± concave. Stamens 4, included, anterior 2 longer; filaments glabrous; anther cells 2, divaricate, apex confluent. Ovary glabrous. Style apex equally 2-cleft. Nutlets oblong to ovoid, dotted, with a small basal white scar.
Two species: China, India, Myanmar, Vietnam; both species in China.
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1 |
Corolla 1.2-1.5 cm, tube slightly constricted at middle; stamens inserted slightly above middle of tube; fruiting calyx less than 1 cm; bracteoles less than 2 mm; stem puberulent or subglabrous |
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2 Siphocranion Nudipes |
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Corolla to 2.5 cm, tube gradually dilated toward throat; stamens inserted on or near throat; fruiting calyx usually more than 1 cm; bracteoles 4-10 mm; stem densely spreading, floccose glandular villous or nearly so |
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1 Siphocranion macranthum |
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Lower Taxa
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