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Issue: Vol. 645 No. 1: 18 Apr. 2024
Type: Article
Published: 2024-04-18
DOI: 10.11646/phytotaxa.645.1.9
Page range: 91-97
Abstract views: 76
PDF downloaded: 2

Isodon maoershanensis (Lamiaceae), a new species from Guangxi, South China

Guangxi Key Laboratory of Special Non-wood Forest Cultivation and Utilization, Guangxi Forestry Research Institute, Nanning, 530002, China
Mao’er Mountain National Nature Reserve Administration, Guilin 541001, Guangxi, China
Guangxi Key Laboratory of Special Non-wood Forest Cultivation and Utilization, Guangxi Forestry Research Institute, Nanning, 530002, China
Mao’er Mountain National Nature Reserve Administration, Guilin 541001, Guangxi, China
Guangxi Key Laboratory of Special Non-wood Forest Cultivation and Utilization, Guangxi Forestry Research Institute, Nanning, 530002, China
Guangxi Key Laboratory of Special Non-wood Forest Cultivation and Utilization, Guangxi Forestry Research Institute, Nanning, 530002, China
Eudicots Guangxi Mao’er Mountain Nature Reserve new taxon Subfamily Nepetoideae taxonomy

Abstract

Isodon maoershanensis, a new species of Lamiaceae, is described here. The new species is morphologically closest to I. henryi and I. magathyrsus, because of some similar characteristics: leaf blade is hard papery and hairy on both sides, terminal panicle is composed of cymes, style and ovary are hidden in the lower lip of the boat-shaped corolla, filaments below the middle are pubescent, but the new species clearly differs from the latter two, by following characters: the leaf is densely covered with short stiff hairs and scattered glandular points above, with dense red glandular points and sparse stiff hairs along veins below, and the peduncle, pedicel, calyx and corolla are also covered with short stiff hairs and glandular points, at the same time the calyx and corolla are also covered with white long hairs with nodes, calyx lobes split to 1/2 or less.

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