All Floras      Advanced Search
FNA Vol. 20 Page 39, 42 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 20 | Asteraceae | Eucephalus

10. Eucephalus vialis Bradshaw, Torreya. 20: 122. 1921.

Wayside aster

Aster vialis (Bradshaw) S. F. Blake

Perennials, 60–120 cm (caudices stout). Stems erect, pilose to glandular-pubescent. Leaves: middle and distal cauline blades lanceolate-elliptic, 5–9 cm × 15–30 mm, abaxial faces usually glabrous, sometimes sparsely pubescent, adaxial faces glandular-pubescent. Heads 5–50(–120) in racemiform to paniculiform arrays. Peduncles stipitate-glandular. Involucres turbinate, 8–10 mm. Phyllaries in 3–6 series (sometimes reddish at margins and apices), linear to linear-oblong (strongly unequal), apices acute to acuminate, abaxial faces stipitate-glandular. Ray florets 0. Cypselae pilose; pappus bristles in 2 series, smooth or ± barbellate.

Flowering Jul. Dry open oak or coniferous woods; of conservation concern; 200–500 m; Oreg.

Eucephalus vialis is only known from Lane and Douglas counties. It is considered threatened. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.


Related Objects  
  • Distribution Map
  • Map

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |