Wyethia angustifolia

(de Candolle) Nuttall

Trans. Amer. Philos. Soc., n. s. 7: 352. 1840.

Basionym: Alarconia angustifolia de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 537. 1836
Synonyms: Wyethia angustifolia var. foliosa (Congdon) H. M. Hall
Treatment appears in FNA Volume 21. Treatment on page 103. Mentioned on page 101.
Revision as of 21:10, 5 November 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Plants 15–60 cm. Basal leaves: blades (dark green) nearly deltate or broadly lanceolate to lance-linear, 15–35 cm, margins entire or irregularly serrate (sometimes undulate), sometimes strigillose, not ciliate, faces hirsute, hirtellous, scabrous, or strigillose (sometimes vernicose); cauline leaves smaller distally (petiolate or sessile). Heads usually borne singly, sometimes 2–3+ in corymbiform arrays. Involucres ± hemispheric, (15–)20–30+ mm diam. Phyllaries 26–40, subequal, ± herbaceous, margins ciliate, faces (abaxial) hispid, hispidulous, or strigillose; outer 15–25 mm (not or little surpassing discs). Ray florets (8–)12–14; laminae 15–25 mm. Cypselae 7–8 mm, ± strigillose. 2n = 38.

Phenology: Flowering May–Jul.
Habitat: Meadows, grassy slopes, chaparral, wet to dry openings in pine and pine-oak forests
Elevation: 20–2100 m


Wyethia angustifolia ranges from southwestern Washington, in and west of the Columbia Gorge, through Oregon into California west of the Cascade-Sierra axis.

Selected References


Lower Taxa

... more about "Wyethia angustifolia"
William A. Weber +
(de Candolle) Nuttall +
Alarconia angustifolia +
Calif. +, Oreg. +  and Wash. +
20–2100 m +
Meadows, grassy slopes, chaparral, wet to dry openings in pine and pine-oak forests +
Flowering May–Jul. +
Trans. Amer. Philos. Soc., n. s. +
Wyethia angustifolia var. foliosa +
Wyethia angustifolia +
species +