Journal
NORDIC JOURNAL OF BOTANY
Volume 39, Issue 4, Pages -Publisher
WILEY
DOI: 10.1111/njb.02971
Keywords
African violet family; ITS phylogeny; Litostigma napoense; Litostigma pingbianense
Categories
Funding
- Biodiversity Investigation, Observation and Assessment Program of Ministry of Ecology and Environment of China
- National Natural Science Foundation of China [31970209]
- Guangxi Chinese Medicine Key Disciplines Construction projects [GZXK-Z-20-69]
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Litostigma is a small genus with two species found in limestone karsts in southwestern China and adjacent Vietnam. Two new species were discovered in the China-Vietnam border area, distinguished from known species by distinct morphological characters, showcasing the morphological variability within the genus.
Litostigma is a recently described small genus with two species confined to limestone karsts in southwestern China and adjacent Vietnam. During the course of field works on the limestone karsts of the China-Vietnam border area, two unknown species of Litostigma were collected. Molecular phylogenetic analyses based on nuclear ITS sequences strongly confirm the placements of the two new species in Litostigma. However, these two new species can be distinguished from the previously known species by distinct morphological characters. Thus, Litostigma pingbianense and L. napoense are recognized as two new species. This adds to the morphological variability of the genus. Most importantly, both simple and divided stigmas does occur in this genus.
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