Gamochaeta falcata (Lam.) Cabrera (Compositae, Gnaphalieae) in Tunisia, a first official record for the African continent
DOI :
https://doi.org/10.24310/abm.50.2025.21786Mots-clés :
Chorologie, Gnaphalium, nouveaux signalements, néophyte, AfriqueRésumé
Gamochaeta falcata (Asteraceae, Gnaphalieae), a species native to southern America, is reported here for the first time to the African Gnaphaliinae from a collection made in northwestern Tunisia. Based on a review of relevant literature, a brief morphological description is provided, along with information on phenology and original photographs of the Tunisian specimen. Moreover, some data on the habitat and current distribution of this neophyte are presented.
Téléchargements
Métriques
Références
Anderberg, A.A. (1991). Taxonomy and phylogeny of the tribe Gnaphalieae (Asteraceae). Opera Botanica, 104, 1–195.
APD (2025). African Plant Database: Gnaphalium L.
https://africanplantdatabase.ch/en/nomen/genus/191025/gnaphalium-l. Accessed on 2025-04-26.
Bayer, R.J., Breitwieser, I., Ward, J. M. & Puttock, C. F. (2007). Gnaphalieae.. In J. W. Kadereit, & C. Jeffrey (Eds.), The families and genera of vascular plants, vol. 8, Flowering plants: Eudicots; Asterales (pp. 246–284). Berlin: Springer.
Cabrera, A.L. & Willink, A. (1973). Biogeografía de América Latina. Monografía 13, Serie de Biología. Washington, D.C.: OEA.
Cabrera, A.L. (1961). Observaciones sobre las Inuleae-Gnaphalineae (Compositae) de America del Sur. Boletín de la Sociedad Argentina de Botánica, 9, 359–386.
Deble, L.P. & Marchiori, J.N.C. (2007). Sinopse do gênero Gamochaeta Weddell (Asteraceae-Gnaphalieae) no Brasil. Balduinia, 10, 21– 31. https://doi.org/10.5902/2358198014040
Dobignard, A. & Chatelain, C. (2011). Index synonymique de la flore d’Afrique du Nord 2. Dicotyledoneae: Acanthaceae - Asteraceae. Genève.
Drury, D.G. (1971). The American spicate cudweeds adventive to New Zealand (Gnaphalium Section Gamochaeta-Compositae). New Zealand Journal of Botany, 9, 157 – 185. https://doi.org/10.1080/0028825X.1971.10430174
Freire, S.E. (1998). Compositae. Inuleae. In G. F. Bocquet & M. R. Crosby (Eds.), Flora del Paraguay, 27 (pp. 1–100). Conservatoire et Jardin botaniques de la Ville de Genève, Genève, and Missouri Botanical Garden Press, St. Louis.
Freire, S.E. & Iharlegui, L. (2008). Asteraceae. Gamochaeta. In F. O. Zuloaga, O. Morrone & M. J. Belgrano (Eds.), Catálogo de las Plantas Vasculares del Cono Sur de América del Sur: Argentina, Sur de Brasil (Paraná, Santa Catarina y Rio Grande do Sul), Chile, Paraguay y Uruguay, Vol. 2. (pp. 1307-1312). Monographs in systematic botany from the Missouri Botanical Garden 107.
Freire, S.E. & Iharlegui, L. (2014). Gamochaeta. In A. M. Anton & F.O. Zuloaga (dir.), F. O. Zuloaga, M. J. Belgrano & A. M. Anton (Eds.), Flora Argentina. Asteraceae: Anthemideae-Gnaphalieae, S. E. Freire (coord.), vol. 7(1), (pp. 463–482). Argentina: Estudio Sigma S.R.L.
Freire, S.E., Salomón, L., Bayón, N. D., Baeza, C. M., Muñoz-Schick, M. & Migoya, M. A. (2016). Taxonomic revision of the genus Gamochaeta Wedd. (Gnaphalieae, Asteraceae) in Chile. Gayana Botanica, 73, 292 – 345. http://dx.doi.org/10.4067/S0717-66432016000200292
Freire, S.E., Deble, L.P. & Iharlegui, L. (2011). Compostas. V. Tribu Inuleae. In R. Reitz (Ed.), Flora Ilustrada Catarinense (pp. 1067–1197). Herbário “Barbosa Rodrigues,” Santa Catarina, Itajaí, Brazil.
Freire, S.E., Grossi, M.A., Bayón, N.D., Monti, C., Iharlegui, L. & Migoya, M.A. (2024). Taxonomic revision and morphometric analysis of Gamochaeta (Asteraceae, Gnaphalieae). Annals of the Missouri Botanical Garden, 109, 244–320. https://doi.org/10.3417/2024836
GBIF (2025). Global Biodiversity Information Facility: Gamochaeta Wedd. https://www.gbif.org/fr/species/3139636. Accessed on 2025-04-26.
Greuter (200). Gnaphalium L. In W. Greuter & E. von Raab-Straube (Eds.), Euro+Med PlantBase.
https://europlusmed.org/cdm_dataportal/taxon/a4a24e9a-4135-4e94-aaf2-e506cf15678b. Accessed on 2025-04-25.
Hamel, T. & Azzouz, Z. (2018). Découverte de Gamochaeta antillana (Asteraceae) en Numidie orientale (El Tarf-Algérie). Flora Mediterranea, 28, 155 – 164. https://doi.org/10.7320/FlMedit28.155
Hilliard, O.M. (1986). Gnaphaliinae (second part). In O.A. Leistner (Ed.), Flora of
Southern Africa, vol. 33, part 7, fascicle 2. Pretoria: Botanical Research Institute, Department of Agriculture, Republic of South Africa.
Hokche, O., Berry, P. E. & Huber, O. (Eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela. Caracas: Fundación Instituto Botánico de Venezuela.
Holub, J. (1976). Gamochaeta Wedd. In T. G.Tutin, V.H. Heywood, N.A. Burges, D.M. Moore, D.H. Valentine, S. M. Walters & D.A. Webb (Eds.) (1980). Flora Europaea 4: Plantaginaceae to Compositae (and Rubiaceae) (pp.127). Cambridge: Cambridge University Press.
Ji, S.J., Jung, S.Y., Hong, J. K., Hwang, H. S., Park, S.H., Yang, J. C., Chang, K.S., Oh, S.H. & Lee, Y.M. (2014). Two newly naturalized plants in Korea: Euthamia graminifolia (L.) Nutt. and Gamochaeta pensylvanica (Willd.) Cabrera. Korean Journal of Plant Taxonomy, 44, 13 – 17. https://doi.org/10.11110/kjpt.2014.44.1.13
Le Floc’h, E., Boulos, L. & Véla, E. (2010). Catalogue synonymique commenté de la Flore de Tunisie, ed 2°. Tunis.
Musarella, C.M., Laface, L.A. & Spampinato, G. (2019). Gamochaeta pensylvanica (Willd.) Cabrera (Asteraceae). In G. Galasso et al. (Eds.), Notulae to the Italian alien vascular flora 8 (pp. 70). Italian Botanist, 8 (pp. 63 – 73). https://doi.org/10.3897/italianbotanist.8.48621
Nesom, G.L. (2004). New species of Gamochaeta (Asteraceae: Gnaphalieae) from the eastern United States and comments on similar species. Sida, 21, 717 – 741.
Nesom, G.L. (2006). Gamochaeta. In Flora of North America Editorial Committee (Eds.), Flora of North America North of Mexico, 19 (pp. 431- 438). Oxford University Press. https://doi.org/10.1663/0013-0001(2007)61[312a:fonano]2.0.co;2
Pottier-Alapetite, G. (1981). Flore de la Tunisie Angiospermes-Dicotylédones, Gamopétales, vol. 2. Tunis: Publications Scientifiques tunisiennes.
POWO (2025a). Gamochaeta subfalcata (Cabrera) Cabrera. In Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:107388-2. Accessed on 2025-04-19.
POWO (2025b). Gamochaeta Wedd. In Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:330075-2. Accessed on 2025-04-19.
Rémy, E.J. (1849). Gamochaeta (sub Gnaphalium). In C. Gay (Ed.), Historia Física y Política de Chile Según Documentos Adquiridos en Esta República durante Doce Años de Residencia en Ella. Botánica, Tomo 4 (pp. 227– 234). Paris: published by the author.
Rocha Afonso, M.L. (1984). Contribuição para o conhecimento do género Gamochaeta Weddell em Portugal continental e insular. Boletim da Sociedade Broteriana ser. 2, 57, 113 – 127.
Thiers, B. (2025). Index Herbariorum: A global directory of public herbaria and associated staff. The New York Botanical Garden, New York. http://sweetgum.nybg.org/ih/. Accessed on 2025-04-18.
Tison, J-M, de Foucault, B. (2014, coord.) Flora Gallica. Flore de France. Biotope, Mèze.
Verloove, F., Dirkse, G.M., Meeus, S. (2023). American cudweeds (Gamochaeta; Gnaphalium s.l., Asteraceae) in Belgium and the Netherlands. Gorteria – Dutch Botanical Archives, 45, 036 – 051.
Villaseñor, J.L. (2016). Checklist of the native vascular plants of Mexico. Revista Mexicana de Biodiversidad, 87, 559–902.
Walsh, N.G. (1999). Gamochaeta. In N.G. Walsh & T. J. Entwisle (Eds.), Flora of Victoria Vol. 4, Cornaceae to Asteraceae (pp. 816–818). Melburne: Inkata Press.
Ward, J.M., Bayer, R.J., Breitwieser, I., Smissen, R., Galbany Casals, M. & Unwin, M. (2009). Gnaphalieae. In V. A. Funk, A. Susanna, T.F. Stuessy & R.J Bayer (Eds.), Systematics, evolution, and biogeography of Compositae (pp. 539–588). Vienna: International Association for Plant Taxonomy.
Weddell, H.A. (1856). Chloris Andina 1, pp. 151–154. Paris: P. Bertrand.
WFO Plant List (2025). The genus Gamochaeta Wedd. Published at https://wfoplantlist.org/taxon/wfo-4000015275-2024-12?page=1. Accessed on 2025-04-20.
Téléchargements
Publiée
Comment citer
Numéro
Rubrique
Licence
(c) Tous droits réservés Ridha El Mokni 2025

Ce travail est disponible sous licence Creative Commons Attribution - Pas d’Utilisation Commerciale - Partage dans les Mêmes Conditions 4.0 International.
Toutes les informations concernant la licence d'utilisation des travaux publiés dans Acta Botanica Malacitana et les droits d'auteur sont disponibles dans notre Politique Éditoriale.


1.png)

