Calea repanda (Asteraceae: Neurolaeneae), a new species and novel characters for the taxonomy of the genus

被引：0
作者：
Bueno, Vinicius R. [1 ]
Gostel, Morgan R. [2 ]
Heiden, Gustavo [3 ]
机构：
[1] Univ Fed Rio Grande do Sul, Lab Sistemat Vasc, Programa Posgrad Bot, Predio 43432,Sala 107, BR-91501970 Porto Alegre, RS, Brazil
[2] Bot Res Inst Texas, 1700 Univ Dr, Ft Worth, TX 76107 USA
[3] Embrapa Clima Temperado, Rodovia BR 392,Km 78,Caixa Postal 403, BR-96010971 Pelotas, RS, Brazil
来源：
PHYTOTAXA | 2022年 / 544卷 / 03期
关键词：
Bem Diverso Project; Campo Rupestre; Cerrado; Compositae; Paleaceous; COMPOSITAE; HELIANTHEAE; ASTERACEAE;
D O I：
10.11646/phytotaxa.544.3.2
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
We describe a new species, Calea repanda, from Brazil and discuss novel morphological characters for the taxonomy of this genus. This new species is morphologically similar to C. gentianoides and C. diamantinensis but is distinct due to repand (vs. disc florets 30???40 (vs. 3???9), and fewer pappus scales 7???10 (vs. 15???20). Calea repanda is endemic to the Diamantina plateau in Minas Gerais state, Southeastern Brazil. We provide a map with the geographic occurrence of this species, an illustration with diagnostic characters, and the first taxonomic key for species of C. sect. Calea from Brazil. Furthermore, we propose a more detailed terminology to describe the proportion of the number of paleae and disc florets in the capitulum receptacle.
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收藏
页码：280 / 288
页数：9
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