Petrocodon rubiginosus Y.G.Wei & R.L.Zhang, sp. nov. (1) and its congener, Pet. hechiensis (Y.G.Wei, Yan Liu & F.Wen) Y.G.Wei & Mich.Möller (2) A adaxial surfaces of leaf blades and petioles of two species B abaxial surfaces of leaf blades and petioles of two species C indumentum of petioles D indumentum of main nerves on adaxial surface E cymes and flowers F indumentum of peduncles G indumentum of bracts and pedicels H abaxial and adaxial surfaces of bracts I corolla in frontal views J corolla in top views K corolla in lateral views L indumentum of abaxial surfaces of calyx lobes M stigma. Photographs by authors.

 
 
  Part of: Zhang R-L, Li S, Maciejewski S, Wei Y-G (2020) Petrocodon rubiginosus, a new species of Gesneriaceae from Guangxi, China. In: Shui Y-M, Chen W-H, Ren M-X, Wen F, Hong X, Qiu Z-J, Wei Y-G, Kang M (Eds) Taxonomy of Gesneriaceae in China and Vietnam. PhytoKeys 157: 175-181. https://doi.org/10.3897/phytokeys.157.32270