No.5   HUA-FEI CEN, LONG-FEI FU & FANG WEN

Petrocodon urceolatus sp. nov. (Gesneriaceae) from Zhangjiajie city, northwestern Hunan Province, China

Nordic Journal of Botany 35: 334–338.

ABSTRACT

Petrocodon urceolatus F. Wen, H.F. Cen & L.F. Fu, a new species of Gesneriaceae, is described and illustrated from Zhangjiajie city, Hunan Province, China. Morphologically it resembles P. scopulorum (Chun) Y.Z. Wang in the corolla, but differs in several characters including the shape, length and indumentum of the leaf blade, and the length and indumentums of the stamens and staminode. In addition to morphological description, we provide ecological information, geographic distribution and conservation status for this species.

Figure 1. Petrocodon urceolatus sp. nov. (A) habit, (B) cyme, (C) mature flower, (D) opened corolla showing stamens and staminode, (E) corolla opened with stamens and staminode, (F) pistil and calyx. From the holotype, drawn by Qing-Long Mo.

Figure 2. Petrocodon urceolatus sp. nov. (A) habitat, (B) plant, (C) cyme and young flowers, (D) young flowers, (E) old flower, (F) pistil, (I) flower opened to show pistil, stamens and staminode, (J) corolla opened with two stamens and staminode. Photographed by Hua-Fei Cen.