Carex arisanensis Hayata subsp. ruianensis Hong Wang, C. Song & X.F. Jin, subsp. nova (Cyperaceae) is described from Zhejiang, China, and illustrated. It differs from subsp. arisanensis in its 12–18 mm broad leaves, non-sheathing bracts, and three spikes, with the lowest without a peduncle. The geographic distribution of C. arisanensis subsp. arisanensis and subsp. ruianensis is presented on a map.
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Annales Botanici Fennici
Vol. 45 • No. 2
April 2008
Vol. 45 • No. 2
April 2008
Carex arisanensis
CYPERACEAE
new subspecies
taxonomy