In:
PhytoKeys, Pensoft Publishers, Vol. 176 ( 2021-04-16), p. 21-32
Abstract:
Chrysosplenium sangzhiense Hong Liu, a new species from Hunan, China, is described and illustrated. The phylogenetic analysis revealed that the new species belongs to subgen. Chrysosplenium and is closely related to C. grayanum , C. nepalense and C. sinicum . The chromosome number of the new species is 2n = 46, indicating a novel basic number x = 23 in Chrysosplenium that is different from other species. This also suggests that C. sangzhiense is probably an allopolyploid derivative of a species with x = 11 and one with x = 12. Morphologically, C. sangzhiense can be easily distinguished from C. grayanum , C. nepalense , C. sinicum and C. cavaleriei , a species not included in our phylogenetic analysis by a suite of characters relating to the sterile shoots, basal leaves, cauline leaves, flowering stem, sepals, disc, capsule and seed. A global conservation assessment is performed, and classifies C. sangzhiense as Least Concern (LC).
Type of Medium:
Online Resource
ISSN:
1314-2003
,
1314-2011
DOI:
10.3897/phytokeys.176.62802
DOI:
10.3897/phytokeys.176.62802.figure1
DOI:
10.3897/phytokeys.176.62802.figure2
DOI:
10.3897/phytokeys.176.62802.figure3
DOI:
10.3897/phytokeys.176.62802.figure4
DOI:
10.3897/phytokeys.176.62802.figure5
Language:
Unknown
Publisher:
Pensoft Publishers
Publication Date:
2021
detail.hit.zdb_id:
2579891-1
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