科研之友
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摘要
A new variety of the evergreen shrub Choisya arizonica Standl. (Rutaceae) is described. It differs from the typical form in having longer and broader leaflets and thus larger leaves. The new variety C. arizonica var. amplophylla Too lin occurs in a few localities in southeastern Arizona with igneous rock substrates, rather than on soils derived from limestone substrates normally colonized by the species.
- 出版日期2014-4
