Isocoma

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Isocoma
Isocoma acradenia.jpg
Isocoma acradenia
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Astereae
Subtribe: Machaerantherinae
Genus: Isocoma
Nutt. 1840
Synonyms [1]
  • Haplopappus sect. Isocoma(Nutt.) H.M.Hall

Isocoma, commonly called jimmyweed or goldenweed, [2] is a genus of North American semi-woody shrubs in the family Asteraceae. It is found in the semi-arid areas of Southwestern United States and Mexico. [3] [4] [5]

The name of this genus is derived from the Greek for "equal hair" referring to the pappus on the seed. [2]

Isocoma species are used as food plants by the larvae of some Lepidoptera species including Schinia bicuspida (recorded on I. drummondii), Schinia erosa (feeds exclusively on I. acradenia) and Schinia tertia (recorded on I. pluriflora).

Species [1] [6] [7] [8]

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Isocoma drummondii, the Drummond's goldenbush, is a North American plant species in the family Asteraceae. It has been found on both sides of the Río Grande, in Tamaulipas and in southern Texas.

Isocoma coronopifolia, the common goldenbush, is a North American plant species in the family Asteraceae. It has been found on both sides of the Río Grande, in Tamaulipas, Coahuila, Nuevo León, Chihuahua, and southern Texas.

References

  1. 1 2 "Flann, C (ed) 2009+ Global Compositae Checklist". Archived from the original on 2014-12-04. Retrieved 2014-12-04.
  2. 1 2 116573 Flora of North America Vol. 20 Page 439 Jimmyweed, goldenweed, Isocoma Nuttall, Trans. Amer. Philos. Soc., n. s. 7: 320. 1840.
  3. ↑ Nuttall, Thomas. 1840. Transactions of the American Philosophical Society, new series 7: 320 in English
  4. ↑ Tropicos, Isocoma Nutt.
  5. ↑ Everitt, J.H.; Lonard, R.L.; Little, C.R. (2007). Weeds in South Texas and Northern Mexico. Lubbock: Texas Tech University Press. ISBN   0-89672-614-2
  6. ↑ Biota of North America Program 2013 county distribution maps
  7. ↑ The Plant List search for Isocoma
  8. ↑ Nesom, G.L. 1991. Taxonomy of Isocoma (Compositae: Astereae). Phytologia 70(2): 69–114 includes descriptions and distribution maps for 15 species


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