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46. Thyrocarpus Hance, Ann. Sci. Nat., Bot., sér. 4. 18: 225. 1862.
盾果草属 dun guo cao shu
Herbs annual. Leaves alternate, sessile or short petiolate. Cymes bracteate. Calyx 5-parted to base, slightly enlarged in fruit. Corolla campanulate; throat appendages 5, broadly linear to subulate; limb 5-parted; lobes broadly ovate. Stamens inserted at middle of corolla tube, included; filaments short; anthers ovoid to oblong. Ovary 4-parted. Style included; stigma terete. Gynobase conical. Nutlets ovoid, slightly dorsiventrally compressed, densely tuberculate; disc margin 2-layered, inside layer membranous and entire, outside layer leathery and pectinate-dentate; attachment scar at apex adaxially. Seeds ovoid, dorsiventrally compressed.
About three species: China, Vietnam; two species in China.
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Stem leaves ovate to narrowly elliptic; corolla and calyx equal in length; teeth of outside layer of nutlet straight, not inflated at apex, inside layer not constricted inward |
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1 Thyrocarpus sampsonii |
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Stem leaves narrowly oblong to oblanceolate; corolla longer than calyx; anthers ovate-oblong; teeth of outside layer of nutlet distinctly inflated at apex and incurved, inside layer constricted inward |
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2 Thyrocarpus glochidiatus |
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Lower Taxa
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