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Spiradiclis glabra sp. nov. (Rubiaceae) from limestone areas in Guangdong, China
- Wu, Lei, Tong, Yi, Pan, Bo, Liu, Quan‐Ru
- Nordic journal of botany 2016 v.34 no.6 pp. 718-721
- Rubiaceae, calyx, conservation status, leaves, limestone, new species, scientific illustration, stamens, taxon descriptions, trichomes, China
- A new species of Rubiaceae, Spiradiclis glabra, is described and illustrated from China. The species is most similar to S. fusca, but differs by having 5–7 pairs of adaxially unconspicuous secondary veins in the leaves, stipules 2–5 mm long, calyx lobes ovate‐triangular, corollas slightly purple–reddish, tubes 13–15 mm long, inside with a pubescent ring of long hairs at the throat, and stamens near the base in long‐styled form. The conservation status of this new species was assessed as ‘Vulnerable’ (VU) according to IUCN.