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Isocoma pluriflora
	In New Mexico
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Isocoma
Species:	I. pluriflora
Binomial name
	Isocoma pluriflora; (Torr. & A.Gray) Greene 1894
Synonyms
	Synonymy Linosyris pluriflora Torr. & A.Gray 1842 ; Aster heterophyllus (A.Gray) Kuntze 1891 not Thunb. 1800 ; Bigelowia pluriflora (Torr. & A.Gray) A.Gray ; Bigelowia wrightii (A.Gray) A.Gray ; Bigelovia pluriflora (Torr. & A.Gray) A.Gray ; Bigelovia wrightii (A.Gray) A.Gray ; Chrysocoma graveolens Torr. ; Haplopappus heterophyllus (A.Gray) S.F.Blake ; Haplopappus pluriflorus (Torr. & A.Gray) H.M.Hall ; Isocoma halophytica B.L.Turner ; Isocoma heterophylla (A.Gray) Greene ; Isocoma hirtella (A.Gray) A.Heller ; Isocoma oxylepis Wooton & Standl. ; Isocoma wrightii (A.Gray) Rydb. ; Linosyris heterophylla A.Gray ; Linosyris hirtella A.Gray ; Linosyris wrightii A.Gray ;

Isocoma pluriflora, commonly called southern jimmyweed or southern goldenbush, is a North American species of flowering perennial herbs in the family Asteraceae. It grows in northern Mexico (Baja California Sur, Sonora, Chihuahua, Coahuila, Nuevo León) and in the southwestern and south-central United States (Arizona, New Mexico, Colorado and Texas).^[2]^[3]^[4]

Isocoma pluriflora grows 1–3.5 feet (0.30–1.07 m) tall. Leaves are narrow, up to 5 cm (2 inches) long. The plant produces numerous flower heads in a cluster at the top of the stem, each head with 8-21 yellow disc flowers but no ray flowers. The species is named "pluriflora", 'many flowered', for its up to 25-50 vertical and approximately parallel stalks, tipped with yellow golden flower heads.^[5]

References

^ The Plant List, Isocoma pluriflora (Torr. & A.Gray) Greene
^ Biota of North America Program 2014 county distribution map
^ SEINet, Southwestern Biodiversity, Arizona chapter photos, descriptions, distribution map
^ Nesom, G.L. 1991. Taxonomy of Isocoma (Compositae: Astereae). Phytologia 70(2): 69–114 description and discussion of I. pluriflora on pages 102-106, distribution map on page 73
^ Flora of North America, Isocoma pluriflora (Torrey & A. Gray) Greene, 1894. Southern jimmyweed

External links

photo of herbarium specimen at Missouri Botanical Garden, collected in western Texas in 1849

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[1] The Plant List, Isocoma pluriflora (Torr. & A.Gray) Greene

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

[3] SEINet, Southwestern Biodiversity, Arizona chapter photos, descriptions, distribution map

[tabby-4] Nesom, G.L. 1991. Taxonomy of Isocoma (Compositae: Astereae). Phytologia 70(2): 69–114 description and discussion of I. pluriflora on pages 102-106, distribution map on page 73

[5] Flora of North America, Isocoma pluriflora (Torrey & A. Gray) Greene, 1894. Southern jimmyweed

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