科研之友
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摘要
Erigeron latifolius Hao Zhang & Z. F. Zhang (Asteraceae, Astereac), a new species of Erigeron I,. from Sichuan. China, is described and illustrated. It is similar to E. multiradiatus (Lindl. ex DC.) Benth. ex C. B. Clark, but can be distinguished by features of the flowers and leaves. The capitula are small (1.2-2.5 cm); the tit-idlers do not protrude beyond the corolla; the midcauline leaves are large (8-15 x 1-2.5 cm) and lanceolate to oblonglanceolate; and the distal leaves are lanceolate, dense, and not much reduced, but smaller (2-5 x 0..5-1 cm). The new species is endemic to China and is identified as Endangered (EN). according to IUCN lied List criteria.
