Monday, October 16, 2023

[Botany • 2023] Lagerstroemia stenophylla (Lythraceae) • A New Species from Hubei, China


Lagerstroemia stenophylla  B.H.Wu, X.Hu & S.P.Dai, 

in Wu, Hu, Tu, Wang et Dai, 2023. 
狭叶紫薇   ||  DOI: 10.3897/phytokeys.234.111861
 
Abstract
Lagerstroemia stenophylla, a new species from southeastern Shaanxi Province and northwestern Hubei Province of China is described. Morphologically, L. stenophylla resembles L. subcostata, but it differs in having 4-angular, subalate branchlets, elliptic-lanceolate, or narrowly elliptic leaves, and relatively larger flowers.

Key words: China, crape myrtle, Flora, new species

 Lagerstroemia stenophylla
A habitat B flowering individuals C stems D flowering branch E fruiting branch F leaves G flower buds H flowers I petals J capsules and seeds.


 Lagerstroemia stenophylla B.H.Wu, X.Hu & S.P.Dai, sp. nov.

Diagnosis: Lagerstroemia stenophylla is morphologically similar to L. subcostata Koehne, but distinguished by its branchlets 4-angular, sometimes subalate, leaves elliptic-lanceolate, narrowly elliptic, leaf apex acute, leaf base cuneate, flowers 2.5–3 cm in diameter.

Etymology: The epithet of the new species refers to its narrow leaf blade.

Vernacular name: The Chinese name of the new species is here given as 狭叶紫薇 (xiá yè zǐ wēi).


Bao-Huan Wu, Xing Hu, Wen-Hui Tu, Wei Wang and Se-Ping Dai. 2023. Lagerstroemia stenophylla (Lythraceae), A New Species from China.  PhytoKeys. 234: 127-133. DOI: 10.3897/phytokeys.234.111861