New Taxa
The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)

 

No.9 Li S., Pan B. , Xin Z.B., Fu L.F., Huang Z.J. & F. Wen

 

Petrocodon ionophyllus, a new species of Gesneriaceae from

the limestone areas of South China

 

 

Rheedea 30(1): 150–158 (2020)

Journal of the Indian Association for Angiosperm Taxonomy 

 

 

 

 

 

ABSTRACT

 

A new species, Petrocodon ionophyllus F.Wen, S.Li & B.Pan, from the limestone area of Southwestern Guangxi, South China is described here. Based on the population information and threatened situation, the current existence status of this species is assessed as ‘Endangered (EN)’.

Original article link: https://dx.doi.org/10.22244/rheedea.2020.30.01.09

 




 


The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)

Fig. 1. Petrocodon ionophyllus F.Wen, S.Li & B.Pan: a. Flowering plant; b. Opened corolla with stamens and staminodes; c. Pistil with calyx; d.Pistil without calyx; e. Bracts (left: abaxial surface; right: adaxial surface) (drawn by Lin Wen-Hong).

 





The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)

Fig. 2. Petrocodon ionophyllus F.Wen, S.Li & B.Pan: a. Habitat; b.Flowering plant in natural habitat; c.Lateral view of cyme, inflorescence with open flowers, buds and bracts; d.Flower and anthers near corolla; e. Lateral view of corolla; f.Top view of corolla; g. Front view of open flower and enantiostyly, deflection of style (stigma immature) and anthers; h. Stigma mature; i. Indumentum of abaxial surfaces of bracts and calyx lobes; j. Dehisced capsules and seeds (photos by Wen Fang).

 




The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)

Fig. 3.Distribution of Petrocodon ionophyllus F.Wen, S.Li & B.Pan () and its morphologically similar species, P. integrifolius (D.Fang & L.Zeng) A.Weber & Mich.Möller (★) .

 



 



The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)

Fig. 4. Morphology comparison between Petrocodon ionophyllus F.Wen, S.Li & B.Pan and P. integrifolius (D.Fang & L.Zeng) A.Weber & Mich.Möller: (a.Habitat; b., c., d., e. After common garden experiment). 1. Petrocodon integrifolius; 2. P. ionophyllus: a.Habitat; b.Adaxial view of leaves; c.Abaxial view of leaves; d.Indumentum of leaf margins; e. Inflorescences; f. Frontal view of corollas (photos by Wen Fang).

 




The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)



The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)



The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)



The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)



The newest published taxa and newest record of Gesneriaceae from China before 31 December 2020 (9)