Sp. Pl. 1: 524. 1753.
Shrubs to 10 dm. Leaves sessile; blade 3-veined from base, mostly lanceolate-linear to linear, 15–45(–70) × 1–7(–13) mm, margins usually revolute, not notably ciliate. Inflorescences usually scorpioid cymes, 3–10-flowered, sometimes solitary flowers; pedicel 5–15 mm. Flowers: sepals 5; petals white, 10–20 mm; styles 0–0.5 mm. Capsules 5-locular. 2n = 18 (Europe).
Phenology: Flowering May–Oct.
Habitat: Disturbed sites, abandoned plantings
Elevation: 10–100 m
Introduced; Calif., s Europe, n Africa.
Cistus monspeliensis is known from the north and central coast areas in California.