Biology:Machaeranthera asteroides

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Short description: Species of flowering plant

Machaeranthera asteroides
Machaeranthera-asteroides-20071030.jpg
Scientific classification
Kingdom:
Plantae
(unranked):
(unranked):
(unranked):
Order:
Family:
Genus:
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

External links

Wikidata ☰ Q15553821 entry