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FNA | Family List | FNA Vol. 5 | Caryophyllaceae | Stellaria

21. Stellaria nitens Nuttall in J. Torrey and A. Gray, Fl. N. Amer. 1: 185. 1838.

Shining starwort

Stellaria praecox A. Nelson

Plants annual, from threadlike taproots. Stems erect, sparingly branched below inflorescence, 4-sided, 3-25 cm, glabrous or sparsely hairy. Leaves sessile, crowded at base, shiny; blade oblanceolate to obovate and spatulate (proximal) or linear-lanceolate (distal), 0.5-1.5 cm × 0.5-2 mm, base round, apex acuminate, glabrous, often ciliate on margins. Inflorescences terminal, 3-21-flowered (rarely more) cymes; bracts linear-lanceolate, 1-12 mm, scarious distally, herbaceous proximally, often ciliate on margins. Pedicels ascending to erect, ± straight in fruit, 2-25 mm, glabrous. Flowers 2-3 mm diam.; sepals 5, with 3 prominent, ridged veins, very narrowly lanceolate, to acicular, 2.8-4.2 mm, margins wide, scarious, apex acuminate, glabrous; petals 5 or absent, 1-3 mm, shorter than sepals, blade apex 2-lobed; stamens 3-5; styles 3, spreading, becoming curled, ca. 0.3 mm. Capsules green or straw colored, narrowly ovoid, 2-3 mm, shorter than sepals, apex obtuse, opening by 3 valves, splitting into 6; carpophore absent. Seeds brown, round, 0.5-0.7 mm diam., minutely tuberculate. 2n = 20, 40.

Flowering spring. Dry, open habitats: sand dunes, stream banks, rocky outcrops, open woodlands, beneath boulders, disturbed areas; 0-2000 m; B.C.; Ariz., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash.


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