Kingston Mountain Mousetail (Ivesia patellifera)
Description
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.Flowering summer. Dry, rocky outcrops of limestone, usually crevices of more or less vertical protected cliffs or boulders, in conifer woodlands; of conservation concern; 1400-2200 m; Calif.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Rosales
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Family: Rosaceae
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Genus: Ivesia
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