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225. Melanthera Rohr, Skr. Naturhist.-Selsk. 2(1): 213. 1792.
卤地菊属 lu di ju shu
Perennial herbs or weak shrubs. Leaves opposite, slightly fleshy. Synflorescence terminal, of solitary capitula or corymbose. Capitula radiate; involucre 2-seriate; paleae strongly veined. Ray florets female. Disk florets bisexual. Achenes of ray florets obconical, 3-angled, those of disk florets obconical, 4-angled; pappus absent or of 1 short awn.
About 20 species: Africa, Asia, Central, North, and South America, Pacific islands; one species in China.
See Fosberg and Sachet (Smithsonian Contr. Bot. 45: 1-40. 1980) and Ohashi and Ohashi (J. Jap. Bot. 85(1): 59-63. 2010).
Lower Taxon
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