Biology:Machaeranthera asteroides

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Short description: Species of flowering plant

Machaeranthera asteroides
Machaeranthera-asteroides-20071030.jpg
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Machaeranthera
Species:
M. asteroides
Binomial name
Machaeranthera asteroides
(Torr.) Greene
Synonyms[1]

Machaeranthera asteroides, the fall tansyaster,[2] is a North American species of plants in the sunflower family. It is native to the southwestern United States (California , Arizona, Nevada, New Mexico, Colorado, Utah) and northern Mexico (Chihuahua, Sonora, Baja California).[3]

Machaeranthera asteroides is a biennial or perennial herb with a woody taproot. It often grows in a clump of several stems. Ray florets in the flower heads are white or purple, and female. Disc florets are yellow and bisexual.[4][5]

Varieties[1][4]
  • Machaeranthera asteroides var. asteroides - California , Arizona, Nevada, New Mexico, Chihuahua, Sonora
  • Machaeranthera asteroides var. lagunensis (D.D.Keck) B.L.Turner Baja California; Laguna Mountains in San Diego County in California
  • Machaeranthera asteroides var. glandulosa B.L.Turner - Arizona, Nevada, New Mexico, Utah

References

  1. ↑ 1.0 1.1 The Plant List, Machaeranthera asteroides (Torr.) Greene
  2. ↑ "Machaeranthera asteroides". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=MAAS2. Retrieved 21 June 2015. 
  3. ↑ Biota of North America Program 2014 county distribution map
  4. ↑ 4.0 4.1 Flora of North America, Dieteria asteroides Torrey in W. H. Emory, Not. Milit. Reconn. 141. 1848.
  5. ↑ Wooton, Elmer Ottis & Standley, Paul Carpenter 1913. Contributions from the United States National Herbarium 16(4): 189 as Machaeranthera simplex

External links

Wikidata ☰ Q15553821 entry




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