Perennials, 30–80+ cm; fibrous-rooted (bases weakly spreading). Stems 1, glabrous or bases hairy. Basal leaves (and proximal cauline, relatively turgid or leathery) petiolate; blades reniform to suborbiculate, 40–70+ × 40–80+ mm, bases truncate to cordate, margins dentate or shallowly lobed. Cauline leaves abruptly reduced (petiolate or sessile, oblanceolate, pinnatifid; distal sessile, bractlike). Heads 3–6+ in compact, cymiform arrays. Peduncles ebracteate (or bractlets 1–2), glabrous. Calyculi 0 or inconspicuous. Phyllaries (13–) 21, dark green with yellow margins, 8–11+ mm, glabrous. Ray-florets 13 or 21; corolla laminae 10–12+ mm. Disc-florets 40–60+; corolla-tubes 3–4 mm, limbs 2.5–3.5 mm. Cypselae 5–6 mm, glabrous; pappi 5–7 mm.

Phenology: Flowering mid Apr–late May.
Habitat: Recently burned chaparral on mountain slopes, gabbroic soils
Elevation: 700–1100 m

Distribution

• Generated Map
• Legacy Map

Calif.

Discussion

Of conservation concern.

Packera ganderi is known only from the mountain ranges of San Diego County, where it has been collected from three sites.

Selected References

None.

Lower Taxa

None.