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Erigeron reductus

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Erigeron reductus
Erigeron reductus var. reductus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Erigeron
Species:
E. reductus
Binomial name
Erigeron reductus
Synonyms[1]
  • Erigeron inornatus var. reductus Cronquist
  • Erigeron inornatus var. angustatus A.Gray

Erigeron reductus is a species of flowering plant in the family Asteraceae known by the common name lesser California rayless fleabane.[2] It is endemic to California, from Trinity County south as far as Alameda County and El Dorado County.[3]

Erigeron reductus grows in rocky habitats in several mountain ranges in the northern part of the state. It is a perennial herb producing several spreading to erect stems up to 30 centimeters (12 inches) long from a woody caudex and root system. Each stem is lined evenly with small, thready leaves and topped with an inflorescence of one or more flower heads. Each glandular flower head is up to a centimeter (0.4 inches) wide and contains many yellow disc florets but no ray florets. The fruit is an achene with a pappus of bristles.[2]

Varieties[1][2][3]

The two varieties do intergrade in their region of overlap (Trinity County).[4]

References

[edit]
  1. ^ a b The Plant List, Erigeron reductus (Cronquist) G.L.Nesom
  2. ^ a b c Flora of North America, Erigeron reductus (Cronquist) G. L. Nesom, 1992. California rayless fleabane
  3. ^ a b Calflora taxon report, University of California, Erigeron reductus (Cronq.) G. Nesom, Fleabane, lesser California rayless fleabane, rayless daisy
  4. ^ Nesom, Guy L. 1992. Phytologia 72(3): 200-203 includes distribution map on page 201
[edit]


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