Primulina gongchengensis (Gesneriaceae), a new species from Guangxi, China

摘要

Primulina gongchengensis Y.S. Huang & Yan Liu (Gesneriaceae) is described and illustrated as a new species from Guangxi, China. It is similar to P. macrodonta, but its leaves are densely glandular-pubescent on both surfaces, with a cuneate or broadly cuneate base and a repand or crenate margin; densely glandular-pubescent petiole and peduncle; purple corolla, with the tube ca. 1.5 cm long, 6-8 mm in diam. at the mouth; ca. 2 mm long, glabrous anthers; 3 staminodes, the lateral ones 1 mm long and the middle one 0.5 mm long; 1.5-1.8 cm long pistil; ca. 4 mm long ovary; and ca. 1 mm long stigma.