秘鲁楔形肋排和卵形肋排(松科)注释

IF 0.5 Q4 BIOLOGY
Weigend Maximilian, Ana Andrade-Galán
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引用次数: 0

摘要

Ribes属(Grosssulariaceae)广泛分布于北半球,但在热带安第斯山脉也有丰富的物种。在秘鲁安第斯山脉,该属主要分布在至少季节性潮湿的云雾林和灌木林、亚灌木林栖息地和树篱中。然而,一些分类群来自安第斯山脉西坡半干旱栖息地的更极端的栖息地(安第斯灌丛、卵叶肋骨),分别是海拔高达5100米的安第斯puna和paramo栖息地(楔形肋骨和一些可疑的隔离物)。这些物种共有小而弱分裂的叶子,这使得它们在本属中非常非典型,通常有大而深的三到五裂的叶子。对这两个分类群的地理范围和物种划界都知之甚少。我们在这里建议只承认两个分化良好的物种。从安卡什北部到塔克纳,卵状肋骨分布广泛,几乎覆盖了秘鲁安第斯山脉的整个西侧。类似地,楔形肋骨可以被证明代表一个单一的、广泛的物种,从圣马丁/拉利伯塔德到库斯科的高海拔地区。在诱导物、花色和叶片形状的细节上有相当大的多样性,但没有明确的分界线允许识别分离物,如Ribes incertum J.F.Macbr。唯一的例外是Pasco的楔形肋棱云林种群,我们建议将其分离为一个新的亚种楔形肋棱亚种。pascoense基于它们相当大的叶子和花序。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Notes on Peruvian Ribes cuneifolium and Ribes ovalifolium (Grossulariaceae)
The genus Ribes (Grossulariaceae) is widespread across the northern hemisphere, but also species-rich in the tropical Andes. In the Peruvian Andes the genus is mostly found in at least seasonally moist cloud and scrub forests, subparamo habitats and hedges. However, some taxa are from more extreme habitats in semi-arid habitats of the western slope of the Andes (Andean scrub, Ribes ovalifolium) respectively high Andean puna and paramo habitats at elevations of up to 5100 m asl (Ribes cuneifolium and some doubtful segregates). These species share small, weakly divided leaves, making them quite atypical for the genus, usually with large, deeply three- to five-lobed leaves. Both the geographical ranges and the species delimitation for both taxa are poorly understood. We here propose the recognition of only two, well-differentiated species. Ribes ovalifolium can be shown to be wide-ranging from northern Ancash to Tacna, covering nearly the entire western flank of the Peruvian Andes. Similarly, Ribes cuneifolium can be shown to represent a single, wide-ranging species from high elevations of San Martín/La Libertad to Cuzco. There is considerable diversity on details of indument, flower color and leaf shape, but no clear dividing lines permitting the recognition of segregates such as Ribes incertum J.F.Macbr. The only exception are cloud-forest populations of Ribes cuneifolium in Pasco, which we propose to segregate as a new subspecies Ribes cuneifolium subsp. pascoense based on their considerably larger leaves and inflorescences.
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来源期刊
Revista Peruana de Biologia
Revista Peruana de Biologia Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
1.30
自引率
20.00%
发文量
42
审稿时长
16 weeks
期刊介绍: The REVISTA PERUANA DE BIOLOGIA is a peer reviewed scientific journal, published by Instituto de Investigaciones de Ciencias Biológicas Antonio Raimondi, Facultad de Ciencias Biológicas, Universidad Nacional Mayor de San Marcos, Lima, Perú. It is publish on line and printed form in February, May, August, November. The REVISTA PERUANA DE BIOLOGIA publishes original research articles of outstanding scientific significance and relevance on topics of biodiversity, biotechnology, ecology, environmental management and biomedicine. The works may be submitted in English or Spanish. The articles will be reviewed by referees according to international standards of quality, creativity, originality and contribution to knowledge.
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