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Isoetes yunguiensis (Isoetaceae), a new basic diploid quillwort from China

Publication Type:Journal Article
Year of Publication:2002
Authors:Q. - F. Wang, Liu, X., Taylor, W. C., He, Z. - R.
Pagination:587 - 591
Date Published:2002///
Keywords:China, East Asia, Isoetaceae, Isoetes, Quillwort, Yunnan-Guizhou Plateau

Isoetes yunguiensis, a basic diploid species with a chromosome number of 2n = 22, is described and illustrated. This species occurs on the Yunnan-Guizhou Plateau in southwest China. It is similar to I. japonica in its appearance and emergent aquatic habit. Herbarium specimens of I. yunguiensis previously have been misidentified as I. japonica. Isoetes yunguiensis differs from I. japonica in megaspore and microspore morphology and chromosome number.

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