UCJEPS: keys

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Up-to-date information about California vascular plants is available from the Jepson eFlora.

1. Lower leaves generally glandular, generally barely hairy (except woolly in H. nana)

2. Stem leafless, generally < 4 dm; heads 1–2; leaves abruptly smaller above rosette; generally alpine or subalpine

3. Phyllaries narrowly oblong, long-tapered; ray flowers 25–60

3' Phyllaries oblong to obovate, acuminate; ray flowers 12–30

2' Stem leafy, generally > 4 dm; heads 3–many; leaves gradually smaller upward; montane

4. Ligules < 2 mm wide; red

4' Ligules > 2 mm wide; yellow

5. Ray flowers 10–23, corolla tube hairs glandular and non-glandular

5' Ray flowers 20–35, corolla tube hairs all glandular

1' Lower leaves ± woolly or long-soft-wavy-hairy

6. Leaves gradually smaller upward; heads 3–4, upper peduncles < 5 cm

6' Leaves abruptly smaller above rosette; heads generally 1 per stem (or peduncles generally > 5 cm)

7. Leaves generally oblanceolate, sparsely glandular; n California

7' Leaves generally spoon-shaped, woolly or long-soft-wavy-hairy; s California

8. Basal leaf blade entire to weakly scalloped, gradually tapered; petiole generally < blade

9. Stem leafless; bracts densely woolly

9' Stem ± leafy in lower 1/3; bracts glandular to barely woolly

10. Petioles green; stem generally > 5 dm; ligules generally yellow to orange; n Peninsular Ranges

10' Petioles ± reddish; stem generally < 5 dm; ligules ± red-tinged; Western Transverse Ranges, San Gabriel Mountains

8' Basal leaf blades scalloped to lobed, abruptly tapered, petiole generally = or > blade

11. Ligules yellow, 12–18 mm

11' Ligules red to orange, 5–8 mm

12. Hairs of lower leaf surface glandular and nonglandular; phyllaries generally green, tinged red; montane

12' Hairs of lower leaf surface generally glandular only; phyllaries deep-red purple; alpine