Abstract
A new species of Rubiaceae, Spiradiclis densa, is described and illustrated from southwestern China. It is similar to S. tomentosa, but differs in the elliptic or oblong leaf blades, distylous flowers and inner sides of corolla tube with dense pubescence near throat. The conservation status of the new species is preliminarily assessed as ‘Vulnerable’ according to IUCN categories and criteria.
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