Iberis sempervirens
Sp. Pl. 2: 648. 1753.
Perennials or subshrubs; (evergreen, with sterile shoots); glabrous. Stems decumbent, branched basally and distally, (0.5–) 1–2.5 dm. Basal leaves (of sterile shoots) sessile; blade linear-oblanceolate, 1–3 (–5) cm × 2–5 mm. Cauline leaves (of flowering shoots) similar to basal, blade smaller, margins entire. Racemes slightly elongated in fruit. Fruiting pedicels divaricate-ascending, 4–11 mm. Flowers: sepals oblong or ovate, 2–4 mm; petals white or sometimes pink, abaxial pair 5–13 × 2–7 mm, adaxial pair 3–6 × 1–3 mm. Fruits suborbicular to broadly ovate, 6–8 × 5–6 mm, apically notched; valves extending into subacute wing; style 1–3 mm, exserted beyond apical notch. Seeds narrowly winged, 2–3 mm. 2n = 22.
Phenology: Flowering Apr–Jul.
Habitat: Escape from cultivation, abandoned gardens
Distribution
Introduced; Calif., Mich., N.Y., s Europe, also in South America
Discussion
Selected References
None.
Lower Taxa
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