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19. Gymnopetalum Arnott, Madras J. Lit. Sci. 12: 52. 1840.
金瓜属 jin gua shu
Authors: Anmin Lu & Charles Jeffrey
Scotanthus Naudin; Tripodanthera M. Roemer.
Herbs, climbing, slender. Tendrils simple or 2-fid. Leaf blade ovate-cordate, angularly 3-5-lobed. Plants monoecious or dioecious. Male flowers solitary or in a raceme, ebracteate or bracteate; calyx tube elongate, tubular; segments 5, subulate; corolla white or yellow, rotate, 5-partite; segments oblong or obovate; stamens 3, inserted on middle of calyx tube; filaments short, free; anthers connate, one 1-celled, others 2-celled; anther cells conduplicate; rudimentary ovary erect. Female flowers solitary; calyx and corolla as in male flowers; staminodes 3, linear; ovary ovoid or oblong; ovules numerous, horizontal; placentae 3; style filiform. Fruit oblong or subglobose, acute or obtuse at both ends, indehiscent. Seeds obovate or oblong, compressed, marginate.
Four species: S Asia; two species in China.
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Leaf blade membranous, both surfaces slightly setose, 5-angular or 3-5-lobed or -partite, apex acuminate, margin dentate; fruit oblong-ovoid, acute at both ends, 10-ribbed. |
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1 G. chinense |
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Leaf blade papery, both surfaces densely setose and villous, undivided or undulate 3-5-lobed, apex obtuse, margin serrate; fruit subglobose, both ends obtuse, without ribs. |
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2 G. scabrum |
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Lower Taxa
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