Isocoma azteca

Isocoma azteca, common names Apache jimmyweed or Aztec goldenbush, is a plant species native to Arizona and New Mexico.[1] It grows on sandy to clay soils, often with Atriplex sp., at elevations of 1,500–1,800 m (4,900–5,900 ft).[2]

Isocoma azteca
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Isocoma
Species:
I. azteca
Binomial name
Isocoma azteca

Isocoma azteca is a shrub or subshrub up to 150 cm (59 in) tall. Herbage is glabrous or with scattered stipitate glands but not resinous. Leaves are narrow, oblong to oblanceolate, up to 50 mm (2.0 in) long, deeply lobed. Flowers are yellow with dark orange veins, 18-25 disc flowers per head.[3]

References
  1. Biota of North America Program 2014 county distribution map
  2. Flora of North America Isocoma azteca G. L. Nesom, 1991. Apache jimmyweed
  3. Nesom, G.L. 1991. Taxonomy of Isocoma (Compositae: Astereae). Phytologia 70(2): 69–114 includes distribution map on page 72
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