Dithyrea maritima |
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beach shieldpod, beach spectaclepod |
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Habit | Perennials; (rhizomatous). |
Stems | several from base, decumbent, unbranched or branched (few) distally, 1–2.1 dm. |
Basal leaves | petiole 1–6(–8) cm; blade broadly ovate to suborbicular or oblanceolate, 1–5(–6) cm × 7–40 mm, base cuneate, margins dentate, sometimes repand. |
Cauline leaves | (distal) shortly petiolate to subsessile; blade ovate or oblong, 1–3 cm × 8–20 mm, base cuneate, margins entire, sometimes repand. |
Racemes | not elongated in fruit. |
Flowers | sepals lavender, oblong-linear, (6–)7–10 × 0.8–1.2 mm; petals white to purplish, 12–15 × 2.5–3.5 mm; filaments 5.5–7.5 mm; anthers 2–3 mm. |
Fruiting pedicels | 1.5–2.5 mm. |
Fruits | valves suborbicular, 8–11 × 8–10 mm, base and apex rounded, pubescent, trichomes stellate, sessile, sometimes mixed with basally forked, or, rarely, simple ones (clavate papillae absent); style 0.3–1 mm. |
Seeds | 3–4 × 2–2.5 mm. |
2n | = 60. |
Dithyrea maritima |
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Phenology | Flowering Mar–Aug. |
Habitat | Seashores, coastal sand dunes |
Elevation | 0-50 m (0-200 ft) |
Distribution |
CA; Mexico (Baja California) |
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 7, p. 608. |
Parent taxa | |
Sibling taxa | |
Synonyms | Biscutella californica var. maritima, D. californica var. maritima |
Name authority | (Davidson) Davidson: in A. Davidson and G. L. Moxley, Fl. S. Calif., 151. (1923) |
Web links |