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首页> 外文期刊>Systematic Botany >Barjonia furlanii (Apocynaceae, Asclepiadoideae), a New Species from the State of Minas Gerais, Brazil, and a Key to Genus
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Barjonia furlanii (Apocynaceae, Asclepiadoideae), a New Species from the State of Minas Gerais, Brazil, and a Key to Genus

机译:Barjonia furlanii(夹竹桃科(Apocynaceae,Asclepiadoideae)),一种来自巴西米纳斯吉拉斯州的新物种,是该属的关键

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摘要

This paper provides descriptions and illustrations of a new species, Barjonia furlanii (Asclepiadoideae, Apocynaceae), from Serra da Canasta National Park, in the state of Minas Gerais, Brazil. This species is similar to B. laxa, especially in its frondose thyrsoid inflorescence, compound corona, and linear leaves. It is, however, distinguished from B. laxa by internodes (up to 4 cm long), peduncles (4.2-5mm long) and much shorter pedicels (4-6 mm long), erect leaves, attenuated at the base, and partial inflorescences that alternate with 2-4 flowers. B. furlanii is proposed for Endangered status under IUCN guidelines (EN B2abiii), and a key to all Barjonia species is included in this study.
机译:本文提供了来自巴西米纳斯吉拉斯州Serra da Canasta国家公园的新物种Barjonia furlanii(Asclepiadoideae,Apocynaceae)的描述和插图。该物种与B. laxa相似,尤其是在其菱形甲状腺状花序,复合冠状花序和线性叶片中。然而,它与B. laxa的区别在于节间(最长4 cm),花序梗(4.2-5mm长)和短得多的花梗(4-6 mm长),直立的叶子,在基部变薄和部分花序与2-4朵花交替。根据国际自然保护联盟(IUCN)准则(EN B2abiii),建议将呋喃芽孢杆菌定为濒危状态,这项研究中包括了所有巴尔乔尼亚物种的关键。

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