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CROTON BIGBENDENSIS TURNER (EUPHORBIACEAE) REVISITED

机译:修改过的克罗比双性恋特纳(大戟科)

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摘要

B.L. Turner separated from the widespread Croton dioicus, a new species characterized by more luxuriant stern growth with long internodes and narrower leaves occurring on well drained soils in the Big Bend region of trans-Pecos Texas. Turner's new taxon differs only in a few quantitative (not qualitative) characters, and in these characters it blends into C. dioicus. Turner's taxon is considered to he minor variant in a wide-ranging and variable species. Turner's original species description does not meet the requirements for being validly published because two holotypes were designated.
机译:B.L.特纳与广为传播的巴豆(Croton dioicus)分开,巴豆是一种新物种,其特征是尾部生长更茂盛,节间长且叶片较窄,出现在德克萨斯州Pesco州大弯曲地区的排水良好的土壤上。特纳的新分类单元仅在几个定量(非定性)字符上有所不同,并且在这些字符中它们融合到了C. dioicus中。特纳的分类单元被认为是广泛多样的物种中的次要变体。特纳的原始物种描述不符合有效发表的要求,因为指定了两个完整型。

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