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Issue: Vol. 689 No. 2: 24 Feb. 2025
Type: Article
Published: 2025-02-24
DOI: 10.11646/phytotaxa.689.2.2
Page range: 185-203
Abstract views: 199
PDF downloaded: 20

Three new species of Calea (Asteraceae, Neurolaeneae) from the sky islands of the Espinhaço Range

Fundação de Parques e Zoobotânica de Belo Horizonte, Herbário BHZB. Universidade Federal de Uberlândia.
Fundação de Parques e Zoobotânica de Belo Horizonte, Herbário BHZB. Universidade Federal de Minas Gerais.
Instituto Tecnológico da Vale. 5Universidade de São Paulo.
Universidade de São Paulo
Fundação de Parques e Zoobotânica de Belo Horizonte, Herbário BHZB. Pontifícia Universidade Católica de Minas Gerais.
Campo rupestre Compositae Cerrado Heliantheae s.l. Eudicots

Abstract

Thirty five years since the last new species was placed in Calea sect. Lemmatium, three new species for this section are described here: C. riopardensis, C. roqueana, and C. strigosa. These three new species belong to the C. sickii group, which is characterized by the few-headed cymose capitulescence or capitula solitary and ray florets 5–10 per capitulum (when radiate). Calea riopardensis resembles C. repanda, but it differs by the petiole 0.6–0.7 cm long (vs. 1.3–1.5 cm), leaf base attenuate (vs. rounded), and cypselae 3.5–3.8 mm long (vs. 3.0–3.2 mm). Calea roqueana is also similar to C. repanda, but it can be distinguished by the sessile leaves (vs. petiolate leaves), peduncle 1.2–5.5 cm long (vs. 0.45–0.7 cm), and cypselae 3.8–4.6 mm long (vs. 3.0–3.2 mm). Calea strigosa is morphologically close to C. sessilifolia, but it can be individualized by being 0.4–1.0 m tall (vs. 0.1–0.25 m), base subcordate (vs. rounded), and disc floret corolla 6.3–7.1 mm long (vs. 4.3–5.8 mm). These new species are hereby described, illustrated, its conservation status and taxonomic affinities are discussed. In addition, an identification key for the C. sickii group is provided and its geographical distribution is mapped.

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How to Cite

Bueno, V.R., Bentes, M.S., Ramos, R., Zavatin, D.A. & Prata-Silveira, A. (2025) Three new species of Calea (Asteraceae, Neurolaeneae) from the sky islands of the Espinhaço Range. Phytotaxa 689 (2): 185–203. https://doi.org/10.11646/phytotaxa.689.2.2