Haploesthes greggii

Haploesthes greggii, common name false broomweed,[2] is a North American species of flowering plants in the family Asteraceae. It grows in northeastern Mexico (Chihuahua, Coahuila and Nuevo León) and in the south-central and southwestern United States (Texas, Oklahoma, New Mexico; also historical reports of the species in Colorado and Kansas but very likely extirpated there).[3][4][5]

Haploesthes greggii

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Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Haploesthes
Species:
H. greggii
Binomial name
Haploesthes greggii
A.Gray 1849
Synonyms[1]
  • Haploësthes greggii A.Gray, alternate spelling
  • Haplopappus texanus J.M.Coult., syn of var. texana

The genus name is sometimes spelled Haploësthes, with two dots over the first e to indicate that the o and the e are to be pronounced in separate syllables. This is optional; either spelling is equally acceptable.[3][6]

Haploesthes greggii is a perennial herb or subshrub up to 80 cm (31 in) tall, somewhat succulent. Leaves are very narrow, sometimes thread-like. The plant produces numerous yellow flower heads in flat-topped arrays. Each head has 3–6 ray flowers and 18-100 disc flowers.[3]

Varieties[1][3]
  • Haploesthes greggii var. greggii
  • Haploesthes greggii var. texana (J.M.Coult.) I.M.Johnst.

References
  1. The Plant List, Haploesthes greggii var. texana (J.M.Coult.) I.M.Johnst.
  2. USDA, NRCS (n.d.). "Haploesthes greggii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 20 July 2015.
  3. Flora of North America, Haploësthes A. Gray, 1849.
  4. Biota of North America Program 2014 county distribution map
  5. SEINet, Southwestern Biodiversity, Arizona chapter Haploesthes greggii Gray photos, description, distribution map
  6. International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) section 60.6


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