Hymenoxys vaseyi

Hymenoxys vaseyi is a North American species of flowering plant in the daisy family known by the common name Vasey's rubberweed. It is native to the southwestern United States, primarily in New Mexico with a few populations in extreme western Texas (El Paso County).[2][3]

Hymenoxys vaseyi
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Hymenoxys
Species:
H. vaseyi
Binomial name
Hymenoxys vaseyi
(A. Gray) Cockerell 1904
Synonyms[1]
  • Actinea vaseyi (A.Gray) Kuntze
  • Actinella vaseyi A.Gray 1882
  • Picradenia vaseyi (A.Gray) Greene

Hymenoxys vaseyi grows in open areas, generally at the edges of forests at elevations of 2100–2800 meters (7000–9300 feet). It is a perennial herb up to 60 cm (2 feet) tall. One plant can produce as many as 50 flower heads in a branching array. Each head has 8-11 yellow ray flowers and 25-80 tiny yellow disc flowers.[4][5]

References
  1. The Plant List, Hymenoxys vaseyi (A.Gray) Cockerell
  2. Biota of North America Program 2014 distribution map
  3. SEINet, Southwestern Biodiversity, Arizona chapter photos, description
  4. Fklora of North America, Hymenoxys vaseyi (A. Gray) Cockerell, 1904. Vasey’s rubberweed
  5. Cockerell, Theodore Dru Alison. 1904. Bulletin of the Torrey Botanical Club 31(9): 493-494


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