Basal leaves: longer spines 5–9 mm; distal faces more densely glandular than tomentose. Cauline leaves: longer spines 4–7 mm. Distalmost stem bracts tightly subtending heads or separated from them. Phyllaries 70–120, 28–38 of them reflexed; apical spines 2–3 mm; marginal spines usually absent. Cypselae 3.8–4 mm. 2n = 34.

Phenology: Flowering winter–summer (Jan–Sep).
Habitat: Serpentine seeps, coastal live oak woodlands, grasslands, riparian areas
Elevation: 40–300 m

Distribution

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Calif.

Discussion

Of conservation concern.

Variety obispoense is known only from the southern Santa Lucia and San Luis ranges of San Luis Obispo County.

Selected References

None.

Lower Taxa

None.