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FNA | Family List | FNA Vol. 21 | Asteraceae | Wyethia

6. Wyethia angustifolia (de Candolle) Nuttall, Trans. Amer. Philos. Soc., n. s. 7: 352. 1840.

Alarconia angustifolia de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 537. 1836; Wyethia angustifolia var. foliosa (Congdon) H. M. Hall

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.

Flowering May–Jul. Meadows, grassy slopes, chaparral, wet to dry openings in pine and pine-oak forests; 20–2100 m; Calif., Oreg., Wash.

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


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