Tuesday, January 23, 2024

[Botany • 2024] Phalaenopsis zhanhuoensis (Orchidaceae: Vandeae) • A New Species from Yunnan, China


 Phalaenopsis zhanhuoensis X.H.Jin & S.Y.Qin, 

in Qin, H. Wang, Y. Wang, Ma, Li, Yang et Jin, 2024. 
吉氏蝴蝶兰  ||  DOI: 10.3897/phytokeys.237.112270
Photographed by Xiaohua Jin.

Abstract
A new species of Orchidaceae, Phalaenopsis zhanhuoensis, from Xichou County, Yunnan, China, is described and illustrated. The novelty is close to P. taenialis, P. wilsonii, and P. stobartiana, but differs from them by having a distinct, fleshy anterior callus with a deeply lobed apex at the base of the labellum and lateral lobes of labellum reflexed and facing outward.

Key words: China, new species, Phalaenopsis zhanhuoensis, Xichou County, Yunnan

Flowers of Phalaenopsis zhanhuoensis X.H.Jin & S.Y.Qin, sp. nov.
A front view of flower (1) rear view of flower (2) B column and lip; lateral view of column and lip, appendage and lateral lobes (1), front view of lateral lobes (2), lateral view of lateral lobes and mid-lobe (3) C petal, sepal and lip, lip (1), dorsal sepal (2), petal (3.4), lateral sepals (5.6).
Photographed by Xiaohua Jin.

Habitat and plants of  Phalaenopsis zhanhuoensis X.H.Jin & S.Y.Qin, sp. nov.
 A front view B roots C lateral view.
Photographed by Xiaohua Jin.

 Phalaenopsis zhanhuoensis X.H.Jin & S.Y.Qin, sp. nov.
吉氏蝴蝶兰

Diagnosis: Phalaenopsis zhanhuoensis is similar to P. wilsonii, but differs from it by having a bifurcated yellow, fleshy anterior callus, lateral lobes with large calli and flipping outward (Table 1).

Etymology: The epithet zhanhuoensis was designated in honor of the Chinese botanist Zhanhuo Tsi.


Shiyu Qin, Hanchen Wang, Yajun Wang, Chongbo Ma, Zan Li, Boyun Yang and Xiaohua Jin. 2024. Phalaenopsis zhanhuoensis (Orchidaceae, Vandeae), A New Species from Yunnan, China. PhytoKeys. 237: 153-160. DOI: 10.3897/phytokeys.237.112270