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

3. Spergula pentandra Linnaeus, Sp. Pl. 1: 440. 1753.

Wingstem spurrey

Plants glabrous or moderately pubescent. Stems often branched proximally, 5-30 cm. Leaf blades usually flat, 0.5-1.5 cm, usually not channeled abaxially. Pedicels erect to ascending, spreading or, sometimes, reflexed in fruit, not secund. Flowers: sepals 2.5-4 mm; petals ± lanceolate, 3/ 7/ 8 times as long as sepals in flower, apex acute to acuminate; stamens usually 5. Capsule valves 4-5 mm. Seeds winged, lenticular, 0.6-0.9 mm wide, surface minutely roughened or obscurely tuberculate (50×), papillae absent or relatively few in marginal ring; wings usually white, sometimes slightly tannish, 0.4-0.6 mm wide. 2n = 18 (Europe).

Flowering spring-early summer. Sandy fields, other disturbed areas; 0-100 m; introduced; Conn., N.J., N.C., Va.; Europe; sw Asia; nw Africa; introduced in Australia.

Spergula pentandra was first collected in North America in 1956; see D. B. Snyder (1987) for an account of earlier confusion of this taxon with S. morisonii in New Jersey.


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