Ivesia patellifera

Plants green, ± tufted, often forming hanging clumps, sometimes rosetted. Stems pendent or prostrate to ascending, (0.5–)1–2 dm. Basal leaves planar, (2–)5–15 cm; sheathing base not strigose abaxially; petiole 1–5 cm; lateral leaflets (1–)2–3(–4) per side, separate, obovate to orbiculate, 5–20 mm, incised 1/4–1/2 to base into 5–9 broadly ovate teeth, apex not setose, surfaces short-pilose, ± glandular; terminal leaflets distinct. Cauline leaves (0–)2; blade well developed. Inflorescences (1–)3–20(–35)-flowered, open, (0.5–)1.5–4(–6) cm diam. Pedicels 5–20(–30) mm. Flowers 7–10 cm diam.; epicalyx bractlets 0; hypanthium patelliform, 0.5(–1) × 2–3 mm; sepals 2–4 mm, broadly acute; petals yellow, narrowly oblanceolate, 2–3 mm; stamens 5–10, filaments 0.6–1.2(–1.5) mm, anthers yellow, oblong, 0.8–1 mm; carpels 4–10, styles 1.5–2 mm. Achenes greenish white to light tan, 1.5–2 mm, faintly rugose, ± carunculate.

Phenology: Flowering summer.
Habitat: Dry, rocky outcrops of limestone, usually crevices of more or less vertical protected cliffs or boulders, in conifer woodlands
Elevation: 1400–2200 m

Distribution

• Generated Map
• Legacy Map

Calif.

Discussion

Of conservation concern.

Ivesia patellifera is confined to crevices in steep wash and canyon walls in the Kingston Mountains of San Bernardino County.

Selected References

None.

Lower Taxa

None.