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59. Siphonostegia Bentham in Hooker & Arnott, Bot. Beechey Voy. 203. 1838.
阴行草属 yin xing cao shu
Herbs, annual. Stems erect, basally woody, apically much branched. Leaves opposite, sessile or short petiolate; leaf blade pinnately parted or dissected. Racemes terminal; bracts foliaceous, parted to entire. Flowers opposite, sparse. Pedicel short. Bracteoles 2, linear. Calyx tube campanulate, 4-8 X longer than wide, membranous, 10-veined; lobes 5, subequal, sublanceolate. Corolla tube slender, straight, as long as or slightly longer than calyx tube; limb 2-lipped; lower lip as long as upper, 3-lobed; lobes ovate-triangular, subequal, apex acute, with 2 petaloid plaits; upper lip galeate, bowed. Stamens didynamous, slightly exserted. Ovary 2-loculed. Style slightly exserted. Capsule black to black-brown, enclosed by persistent calyx. Seeds numerous, oblong-ovoid; seed coat reticulate; wing thick, fleshy, hyaline.
About four species: Asia; two species in China.
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Plants densely eglandular hairy; leaves broadly ovate, 2-pinnatisect; calyx lobes 2.2-2.5 mm; filaments basally ciliate |
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1 Siphonostegia chinensis |
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Plants densely glandular hairy; leaves narrowly triangular-ovate, nearly palmately 3-parted; calyx lobes 6-10 mm; filaments entirely hairy |
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2 Siphonostegia laeta |
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Lower Taxa
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