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59b. Cirsium fontinale (Greene) Jepson var. fontinale
Basal leaves: longer spines 4–6 mm; distal faces more densely glandular than tomentose. Cauline leaves: longer spines 8–12 mm. Distalmost stem bracts usually tightly subtending heads. Phyllaries 100–120, 35–45 of them reflexed; apical spines 1–2 mm; marginal spines often present. Cypselae 4.1–5 mm. 2n = 34, 34 + 1B.
Flowering spring-summer (Apr–Aug). Serpentine seeps; of conservation concern; ca. 120 m; Calif.
Variety fontinale is known only from the vicinity of Crystal Springs Reservoir, San Mateo County.
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