Protoharpanthus gen. nov. (Harpanthaceae) - a relict relative of Harpanthus from the Sino-Himalaya

被引：6

作者：

Bakalin, Vadim ^{[1
]}

Fedosov, Vladimir ^{[1
,2
]}

Long, David G. ^{[3
]}

Fedorova, Alina ^{[4
]}

Maltseva, Yulia ^{[1
]}

机构：

[1] Bot Garden Inst FEB RAS, Lab Cryptogam Biota, Makovskogo St 142, Vladivostok 690024, Russia

[2] Lomonosov Moscow State Univ, Fac Biol, Leninskie Gory Str 1-12, Moscow 119234, Russia

[3] Royal Bot Garden Edinburgh, Edinburgh EH3 5LR, Midlothian, Scotland

[4] Russian Acad Sci, Tsitsin Main Bot Garden, Botanicheskaya Str 4, Moscow 127276, Russia

来源：

BRYOLOGIST | 2021年 / 124卷 / 02期

基金：

美国国家科学基金会; 俄罗斯基础研究基金会;

关键词：

Calypogeiaceae; China; Gaoligong Shan; Jungermanniineae; liverwort systematics; Lophocoleaceae; phylogeny; MARCHANTIOPHYTA; HEPATICAE; PERFORMANCE; DIVERSITY; EVOLUTION; NORTH; TAXA;

D O I：

10.1639/0007-2745-124.2.218

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The new genus Protoharpanthus is described from the Salween River Basin in the Hengduan Mountains, Sino-Himalaya. The genus superficially resembles Lophocolea or slightly even Calypogeia, but phylogenetically is quite far from both and belongs to the oligotypic Harpanthaceae. The new genus is a shining example of parallelism in the evolution of liverworts and is characterized by succubous and shortly bilobed leaves with a differentiated margin of elongate cells, finely verruculose leaf cuticle, distinct stem hyalodermis with large trigones in the outer cells of the stem cross section, bilobed underleaves, rhizoids restricted to underleaf bases and exclusively ventral intercalary branching. In both phylogenetic and phytogeographical senses this genus is a relict in the Sino-Himalayan bryoflora.

引用

页码：218 / 229

页数：12

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