膜苞组 Sect. Abrotanoides DC. (Compositae)

分类: 《中国植物志》 发布于:2012-6-26 18:13 ė178次浏览
组2. 膜苞组――Sect. Abrotanoides DC., Prodr. 6: 282. 1837; Maxim. in Bull. Acad. Sci. Petersb. 19: 475. 1874; et in Mel. Biol. 9: 281. 1874.
形态特征:总苞苞片覆瓦状排列,外层短(向内逐层增长),干膜质或仅先端草质;头状花序单生茎、枝端或生于叶腋,具短梗或几无梗。?Descr. emend.: Invol. squamae imbricatae, exteriores gradatim breviores, extimae abbreviatae, scariosae vel apice tantum herbaceae. Calathia in caulis ramorumque apice solitaria vel ad axillas foliorum floralium brevlter pedicellata vel subsessilia.
《中国植物志》第75卷(1979)
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