Petrocodon asterocalyx, a new species of Gesneriaceae from Guangxi, China

• DOI: 10.11646/phytotaxa.343.3.6
• Publication Date: 2018-03-12T23:09:48Z
• Authors: RUI-LI ZHANG; LONG-FEI FU; SHU LI; YI-GANG WEI; STEPHEN MACIEJEWSKI; MICHAEL LOFURNO; FANG WEN
• Keywords: Calyx; Gesneriaceae; Leaf blade; Eudicots

Petrocodon asterocalyx F.Wen, Y.G.Wei & R.L.Zhang, a new species from the Danxia landform area in Guangxi, South China, is described and illustrated based on molecular morphological data. The evidence shows that recovered weakly supported clade. Within this clade, one morphologically similar to P. hancei (Hemsl.) A.Weber Mich.Möller coriaceifolius (Y.G.Wei) Mich.Möller, it can be distinguished former by calyx lobes 20–40 × 2–3 mm, corolla 2.5–3.0 cm long, filaments sparsely erectly pubescent, anthers staminodes 3, stigmas 2; latter leaf blades rhombic-oblong or rhombic, base shallowly cuneate, margin crenulate serrate, linear, cm, 3.5–3.8 mm pubescent elliptical.