Petrocodon retroflexa, A New Species of Gesneriaceae from a Karst Cave of Guizhou, China
4 August 2015
Guo, Jing; Meng, Tao; Zhang, Qiang; Pang, HongboPetrocodon retroflexa Q. Zhang & J. Guo, a new species of Gesneriaceae from Guizhou, China, is described and illustrated. The new species is morphologically similar to Petrocodon viridescens W. H. Chen, Mich. Mőller & Y. M. Shui, but differs by its leaf blade ovate, broadly ovate to elliptic, 8-20 × 5-15 cm, densely pilose on both surfaces, bracts narrowly triangular, 9 mm long, densely pilose, corolla white, decurved near the middle, adaxial lip shallowly 4-partitioned, retroflexed, and pistil ca. 1.3 cm long, densely pilose and glandular-pilose.
Doi
10.1111/njb.00941