科研之友
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摘要
Erythroxylum umbrosum, a new species of Erythroxylum sect. Archerythroxylum (Erythroxylaceae) of the Brazilian Atlantic Forest, which occurs in submontane forests in the states of Alagoas and Pernambuco, northeastern Brazil, is described and illustrated. It is characterized by having non-striated, reduced stipules that are shortly 3-setose at the apex, a staminal cup longer than the calyx lobes, and an endocarp with cylindrical cross-section. The morphological differences of the new species with related and sympatric species are discussed.
- 出版日期2013-10-30
