A new species of Calea (Neurolaeneae, Asteraceae) from the Espinhaco Range, Minas Gerais, Brazil

被引：12
|
作者：
Dos Reis E Silva, Genilson Alves [1 ,2 ]
Nakajima, Jimi Naoki [3 ]
机构：
[1] Univ Fed Vicosa, Programa Pos Grad Bot, Dept Biol Vegetal, PH Rolls S-N, BR-36570000 Vicosa, MG, Brazil
[2] Inst Fed Educ Ciencia & Tecnol Piaui, Ave Joaquim Manoel S-N, BR-64300000 Valence Do Piaui, PI, Brazil
[3] Univ Fed Uberlandia, Inst Biol, Campus Umuarama,Bloco 2D, BR-38400902 Uberlandia, MG, Brazil
来源：
PHYTOTAXA | 2020年 / 432卷 / 02期
关键词：
Calea sect. Calea; Campos rupestres; Compositae; Diamantina; HELIANTHEAE; COMPOSITAE;
D O I：
10.11646/phytotaxa.432.2.9
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new species of Calea sect. Calea, endemic to the rocky grasslands of the municipality of Diamantina, Minas Gerais, southeastern Brazil, is described. Calea diamantinensis is morphologically similar to Calea lantanoides which differs by its leaf blade elliptic (vs. ovate to widely ovate), margin entire and straight (vs. crenate and revolute), surface solely glandular-punctuated (vs. villous), receptacle paleae obtrullate (vs. narrowly elliptic), capitulescence composed by 3-4 heads (vs. 6-12 heads), cypselae glandular-punctuated ca. 2.7-3 mm long (vs. non-glandular, ca. 1.8-2.5 mm long) and pappus scales ca. 15-17 (vs. 20-25). Illustration, photos, distribution map, habitat considerations and conservation status are provided, as well as an identification key for Calea species from the municipality of Diamantina, Minas Gerais.
引用
收藏
页码：199 / 205
页数：7
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