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Erigeron petrophilus

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Erigeron petrophilus
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Astereae
Genus:
Erigeron
Species:
E. petrophilus
Binomial name
Erigeron petrophilus
Synonyms[1]
  • Erigeron decumbens Eastw. 1906 not Nutt. 1840, syn of var. viscidulus
  • Erigeron inornatus var. viscidulus A.Gray, syn of var. viscidulus
  • Erigeron viscidulus (A.Gray) Greene, syn of var. viscidulus

Erigeron petrophilus is a species of flowering plant in the daisy family known by the common names rockloving erigeron or cliff fleabane.[2] It is native to the mountain ranges of California from Siskiyou County south as far as San Luis Obispo County and El Dorado County.[2] It also grows in southwestern Oregon.[3]

Erigeron petrophilus grows in forest and woodland, often, as its name suggests, in rocky habitat. It is sometimes grows on serpentine soils. This is a perennial herb growing many hairy, glandular, spreading stems from a tough, woody caudex. The narrow, oblong leaves are equal in size and spaced evenly along each stem. The inflorescence is a cluster of several flower heads, each just over a centimeter (0.5 inches) wide and lined with layers of fuzzy, glandular phyllaries. The heads contains many yellow disc florets but no ray florets. The fruit is a small achene with a pappus of bristles.[4][5]

Varieties[4][2]

References

  1. ^ The Plant List, Erigeron petrophilus Greene
  2. ^ a b c Calflora taxon report, University of California, Erigeron petrophilus E. Greene, cliff fleabane, rockloving erigeron
  3. ^ Biota of North America Program 2014 county distribution map[permanent dead link] png
  4. ^ a b Flora of North America, Erigeron petrophilus Greene
  5. ^ Greene, Edward Lee 1888. Pittonia 1(15): 218–219


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