Eucephalus glabratus is a North American species of flowering plant in the family Asteraceae with the common names of smooth aster[3], smooth wayside-aster,[1] and Siskiyou aster.[4] It is a perennial herb up to 60 centimeters (24 inches) tall, with branching rhizomes. Stems and leaves are hairless or nearly so. One plant will usually produce 3–8 flower heads per stem. Each head has 0–4 violet ray florets surrounding numerous yellow disc florets.[5]

Eucephalus glabratus
Conservation status
Apparently Secure  (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Eucephalus
Species:	E. glabratus
Binomial name
Eucephalus glabratus (Greene) Greene
Synonyms[2]
Aster brickellioides var. glabratus Greene Aster glabratus (Greene) S.F.Blake ex M.Peck Aster siskiyouensis A.Nelson & J.F.Macbr. Eucephalus glandulosus Eastw.

Eucephalus glabratus grows at elevations of 700–2,300 meters (2,300–7,550 feet) in openings in oak and conifer forests or chaparral[5] of the Klamath Mountains[6] of southwestern Oregon and northwestern California.[7]

NatureServe classifies Eucephalus glabratus as Apparently Secure (G4) globally and Vulnerable (S3) in California. It has no state status rank for Oregon.[1]

References

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