Chaptalia nutans is a species of plant in the Asteraceae family native to tropical and subtropical America.[1] It is the most common species of its genus.[2]
Description
Vegetative characteristics
Chaptalia nutans is a perennial, rhizomatous,[3] terrestrial herb[4] with a short rhizome and adventitious,[3] short primary roots and fibrous lateral roots.[5] The small stem produces sessile, hairy,[6] 5–20(–32) cm long, and 2.5–6 cm wide leaves.[3]
Generative characteristics
The peduncles 10–60 cm long. The nodding capitulum has 150-320 florets.[2] The achenes are 9–20 mm long.[3] The cream-coloured pappus[4] is 10–12 mm long.[3]
Cytology
The diploid chromosome count is 2n = 48.[7]
Reproduction
In Brazil, flowering and fruiting occurs in October to January, when the dry season is coming to an end.[7]
Habitat
It occurs in warm and humid habitats in shade,[2] and may also be found in habitats experiencing seasonal droughts.[7]
Taxonomy
It was first published as Tussilago nutans L. by Carl Linnaeus in 1759. It was transferred to the genus Chaptalia Vent. as Chaptalia nutans (L.) Pol. by Hellmuth Polakowski (1847–1917) in 1878.[1][8]
Etymology
The specific epithet nutans means "nodding".[9][10] It refers to the nodding inflorescences.
Use
Folk medicine
It has applications in folk medicine.[5]
Cultivation
It is easy to grow.[7]
References
- ^ a b c "Chaptalia nutans (L.) Pol". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 July 2023.
- ^ a b c BURKART, A. (1944). Estudio del género de Compuestas Chaptalia con especial referencia a las especies argentinas. Darwiniana, 6(4), 505–594. http://www.jstor.org/stable/23211616
- ^ a b c d e Instituto de Botánica Darwinion. (n.d.). Chaptalia nutans. Flora Argentina. Retrieved March 9, 2025, from https://buscador.floraargentina.edu.ar/species/details/16348
- ^ a b Chaptalia in Flora e Funga do Brasil. Jardim Botânico do Rio de Janeiro. Disponível em: <https://floradobrasil.jbrj.gov.br/FB5274>. Acesso em: 12 Apr. 2024
- ^ a b Empinotti, C. B., & do RDuarte, M. (2007). "Caracteres anatômicos de arnica-do-campo: Chaptalia nutans." Acta Farmacéutica Bonaerense, 25(3), 333.
- ^ Bruck de Souza, L., Leitão Gindri, A., de Andrade Fortes, T., Felli Kubiça, T., Enderle, J., Roehrs, R., ... & Gasparotto Denardin, E. L. (2020). "Phytochemical analysis, antioxidant activity, antimicrobial activity, and cytotoxicity of Chaptalia nutans leaves." Advances in Pharmacological and Pharmaceutical Sciences, 2020.
- ^ a b c d Baldwin, J. T., & Speese, B. M. (1947). Chaptalia nutans and C. integrifolia: Their Chromosomes. Bulletin of the Torrey Botanical Club, 74(4), 283–286. https://doi.org/10.2307/2482362
- ^ Polakowski, Hellmuth | International Plant Names Index. (n.d.). Retrieved April 12, 2024, from https://www.ipni.org/a/7803-1
- ^ Lysimachia nutans | CasaBio. (n.d.). Retrieved April 12, 2024, from https://casabio.org/taxa/lysimachia-nutans
- ^ Jackson, W. P. U. (1971). "Meanings and origins of our plant names." Veld & Flora, 57(1), 38.
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