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Silene aperta Greene  
Family: Caryophyllaceae
Naked Catchfly
Silene aperta image
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Richard K. Rabeler, Ronald L. Hartman in Flora of North America (vol. 5)
Plants perennial, cespitose, puberulent throughout; caudex woody, branched, with clusters of leaves. Stems several, erect, not much-branched, slender, 15-60 cm, flowering above middle. Leaves: cauline in 2-4 pairs, gradually reduced distally, blade linear with broadened base, 1-8 cm × 1-2 mm, apex acute; basal leaves tending to wither by flowering time, blade with midrib present, linear-oblanceolate, 5-12 cm × 1-4 mm, apex acute. Inflorescences few-flowered, bracteate, narrow, flowers terminal and axillary; bracts linear, 2-10 mm. Pedicels ascending, straight, slender, very short in bud but equaling or exceeding flower at anthesis. Flowers: calyx 10-veined, campanulate, lobed to middle or below, 6-10 mm; lobes 6, recurved, 1-3-veined, lanceolate to linear-lanceolate, margins membranous, ciliate, apex acute; petals white to pale greenish, lobed, clawed, 12-20 mm including claw, ca. 2 times length of calyx; lobes 4, small, 1.5-2 mm, claw woolly towards base, appendages absent; stamens equaling petals; filaments pubescent at base; styles 3, shorter than to equaling stamens. Capsules ovoid, exceeding calyx, dehiscing with 6 spreading teeth; carpophore 1-2 mm. Seeds brown, broadly reniform, less than 1.75 mm, margins coarsely tuberculate to papillate, with concentric rings of tubercles on both faces. 2n = 48. Flowering Jun-Sep. Open, grassy areas in fir and pine forests; 1800-3000 m; Calif. A deeply lobed calyx and grasslike leaves give Silene aperta a very distinct appearance. The species is found only in Tulare County.

Silene aperta
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The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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