Gamochaeta stagnalis

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Gamochaeta stagnalis
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Gnaphalieae
Genus:
Gamochaeta
Species:
G. stagnalis
Binomial name
Gamochaeta stagnalis
(I.M.Johnst.) 1991
Synonyms[1][2]
Synonymy

Gamochaeta stagnalis, the Desert cudweed, is a species of flowering plant in the sunflower family. It is native to Mexico, Guatemala, and the southwestern United States (California, Arizona, New Mexico).[3][4][5]

Gamochaeta stagnalis is an annual herb up to 35 cm (14 in) tall, producing a slender taproot. Leaves are up to 3 cm (1.2 in) long. The plant forms many small flower heads in tightly packed clumps. Each head contains 3–4 purple disc flowers but no ray flowers.[3][6]

Gamochaeta stagnalis is very similar to G. purpureum and some G. stagnalis specimens (especially from Arizona) have been misidentified as that species.[3]

References[]

  1. ^ Tropicos, Gamochaeta stagnalis (I.M. Johnst.) Anderb.
  2. ^ The Plant List, Gamochaeta stagnalis (I.M.Johnst.) Anderb.
  3. ^ Jump up to: a b c Guy L. Nesom 2004. New distribution records for Gamochaeta (Asteraceae: Gnaphalieae) in the United States. Sida 21(2): 1175–1185.
  4. ^ Biota of North America Program 2014 county distribution map
  5. ^ Calflora taxon report, University of California, Gamochaeta stagnalis (I.M. Johnst.) Anderb.
  6. ^ Flora of North America, Gamochaeta stagnalis (I. M. Johnston) Anderberg, 1991. Desert cudweed


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