期刊
PHYTOTAXA
卷 507, 期 1, 页码 1-50出版社
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.507.1.1
关键词
Apiales; Biodiversity; South America; Taxonomy; Umbelliferae
资金
- CNPq productivity grants [306228/2016-5, 310502/20195, 308065/20174, 307514/2016-1, 311352/2019-7]
- CAPES/Brazil
Eryngium, with about 220 species, is mainly found in subtropical and temperate regions across all continents. In Brazil, the genus has around 60 species and is present in all states of the country. These perennial or biennial plants preferentially colonize terrestrial, aquatic, and rocky substrates, with erect or creeping habits, rosulate leaves, and white, blue, or purple flowers. It is easily distinguished from other genera within Apiaceae by its capitulate inflorescences and single bract per flower.
Eryngium has about 220 species, mostly distributed in subtropical and temperate regions of all continents. With about 60 species, the genus is widely distributed in Brazil, being present in all states of the country. Its species are perennial or biennial plants that preferentially colonize terrestrial, aquatic and rocky substrates. They usually have an erect or creeping habit, with rosulate leaves and white, blue or purple flowers. Within Apiaceae, the genus can be easily distinguished from the other genera by its capitulate inflorescences and by having a single bract per flower. We present the first taxonomic treatment for the genus in the state of Paran & aacute;, which is based on herbarium collections and fieldwork across the state. In total, 25 species were recorded. Of these, seven are endemic to Brazil. Eryngium aloifolium and E. regnelli are new records for Paran & aacute;. Fifteen species grow in native grasslands at high elevations, whereas one species is restricted to remnants of savannas in the northern portion of the state (E. rochei). Identification key, descriptions, illustrations, distributions maps, and taxonomic comments are provided.
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