Gamochaeta simplicicaulis

Gamochaeta simplicicaulis
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Gamochaeta
Species:	G. simplicicaulis
Binomial name
	Gamochaeta simplicicaulis; (Willd. ex Spreng.) Cabrera 1961
Synonyms
	Gnaphalium simplicicaule Willd. ex Spreng. 1826; Gnaphalium purpureum var. simplicicaule (Willd. ex Spreng.) Klatt;

Gamochaeta simplicicaulis, the simple-stem cudweed ^[2] or simple-stem everlasting,^[3] is a species of flowering plant in the family Asteraceae. It is native to South America and has become naturalized in Australia, New Zealand, and the southeastern United States (from Alabama to Virginia).^[4]^[5]^[6]

Gamochaeta simplicicaulis is an annual herb up to 85 cm (33 in) tall. Leaves are up to 9 cm (3.5 in) long, green and hairless on the upper surface but appearing white on the underside because of many woolly hairs. The plant forms many small flower heads in elongated arrays and also in tightly packed clumps. Each head contains 2–3 yellow disc flowers but no ray flowers.^[2]

References

^ The Plant List, Gamochaeta simplicicaulis (Willd. ex Spreng.) Cabrera
^ ^a ^b Flora of North America, Gamochaeta simplicicaulis (Willdenow ex Sprengel) Cabrera, 1961. Simple-stem cudweed
^ USDA, NRCS (n.d.). "Gamochaeta simplicicaulis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 17 July 2015.
^ Biota of North America Program 2014 county distribution map
^ Zuloaga, F. O., O. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi. (eds.) 2008. Catálogo de las plantas vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107(1–3): i–xcvi, 1–3348.
^ Funk, V. A., P. E. Berry, S. Alexander, T. H. Hollowell & C. L. Kelloff. 2007. Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contributions from the United States National Herbarium 55: 1–584

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[1] The Plant List, Gamochaeta simplicicaulis (Willd. ex Spreng.) Cabrera

[g-2] Flora of North America, Gamochaeta simplicicaulis (Willdenow ex Sprengel) Cabrera, 1961. Simple-stem cudweed

[3] USDA, NRCS (n.d.). "Gamochaeta simplicicaulis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 17 July 2015.

[4] Biota of North America Program 2014 county distribution map

[5] Zuloaga, F. O., O. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi. (eds.) 2008. Catálogo de las plantas vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107(1–3): i–xcvi, 1–3348.

[6] Funk, V. A., P. E. Berry, S. Alexander, T. H. Hollowell & C. L. Kelloff. 2007. Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contributions from the United States National Herbarium 55: 1–584

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