Spergula pentandra

Linnaeus

Sp. Pl. 1: 440. 1753.

Common names: Wingstem spurrey
Treatment appears in FNA Volume 5. Treatment on page 16. Mentioned on page 15.
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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, 3/4–7/8 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).


Phenology: Flowering spring–early summer.
Habitat: Sandy fields, other disturbed areas
Elevation: 0-100 m

Distribution

V5 19-distribution-map.gif

Conn., N.J., N.C., Va., Europe, sw Asia, nw Africa, introduced in Australia.

Discussion

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.

Selected References

None.

Lower Taxa

None.