Revisión de Heliotropium sects. Heliothamnus, Heliotrophytum, Hypsogenia, Plagiomeris y Platygine (Heliotropiaceae) en Chile

IF 0.4 4区生物学 Q4 PLANT SCIENCES

GAYANA BOTANICA Pub Date : 2020-12-31 DOI:10.4067/S0717-66432020000200115

F. Luebert

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引用次数: 1

Abstract

A taxonomic revision of the Chilean species of Heliotropium (Heliotropiaceae) is presented, excluding those of sect. Cochranea that were revised in a previous contribution. These species are Heliotropium amplexicaule (sect. Heliotrophytum), H. corymbosum (sect. Heliothamnus), H. curassavicum (sect. Platygyne), H. geissei (sect. Plagiomeris), H. microstachyum (sect. Hypsogenia), H. paronychioides (sect. Plagiomeris) and H. patagonicum (sect. Platygyne). I analyze in detail the nomenclature, iconography, taxonomy, systematics, distribution and bibliography of each species. Heliotropium corymbosum is newly reported for the flora of Chile and the new combination Heliotropium corymbosum var. grisellum is herewith proposed. This taxon is illustrated for the first time. I discuss the presence of two species of Heliotropiaceae erroneously reported for the Chilean flora: Heliotropium angiospermum (sect. Schobera) and Euploca procumbens. I conclude that the family Heliotropiaceae is represented in Chile only by the genus Heliotropium with 24 species, including 17 species previously treated under sect. Cochranea. I provide a key for the determination of all Chilean species of Heliotropium.

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回顾Heliotropium教派。智利的Heliothamnus, Heliotrophytum, Hypsogenia, Plagiomeris和Platygine (Heliotropiaceae)

提出了智利Heliotropium (Heliotropiaceae)种的分类修订，不包括在以前的贡献中修订的Cochranea组。这些种分别是:Heliotropium amplexicaule (Heliotrophytum)、H. corymbosum (Heliothamnus)、H. curassavicum (Platygyne)、H. geissei (Plagiomeris)、H. microstachyum (Hypsogenia)、H. paronychioides (Plagiomeris)和H. patagonicum (Platygyne)。详细分析了各种属的命名法、象图学、分类学、系统学、分布和参考书目。本文报道了智利植物区系corymbosum (Heliotropium corymbosum var. grisellum)的新组合。这个分类群是第一次被描绘出来。我讨论了智利植物区系中被错误报道的两种Heliotropium angiospermum (Schobera节)和Euploca procumbens。我的结论是，在智利，Heliotropium科仅代表Heliotropium属，共有24种，其中包括17种以前被归为Cochranea节。我提供了一把确定智利所有Heliotropium物种的钥匙。

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来源期刊

GAYANA BOTANICA Agricultural and Biological Sciences-Plant Science

CiteScore

0.70

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal welcomes works carried out by scientists of all nationalities, and may be written in either English or Spanish. The journal receives works in systematic, taxonomy, floristic, ecology, physiology, morphology, development, conservation, cytology and phytochemical botany.