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

2. Spergula morisonii Boreau, Rev. Bot. Recueil Mens. 2: 424. 1847.

Morison's spurrey

Plants glabrous or densely pubescent or glandular. Stems often branched proximally, 5-35 cm. Leaf blades usually flat, 0.3-1.5(-2) cm, usually not channeled abaxially. Pedicels erect to ascen-ding, spreading or sometimes reflexed in fruit, sometimes secund. Flowers: sepals 3-4 mm; petals ovate, 3- 8 times as long as sepals in flower, apex obtuse; stamens usually 10. Capsule valves 3.5-6 mm. Seeds winged, lenticular, 0.9-1 mm wide, surface minutely roughened or low-tuberculate (50×), with marginal ring of tan, club-shaped papillae; wings light brown to brownish black, 0.2-0.3 mm wide. 2n = 18 (Europe).

Flowering spring-early summer. Sandy roadsides, disturbed areas; 10-100 m; introduced; Md., Mass., N.J.; Europe.

Spergula morisonii was first reported for North America from New Jersey in 1966; the earliest collections date from 1917 (D. B. Snyder 1987). It should be expected elsewhere in the flora area; the collections from Maryland and Massachusetts date from 2002 and 2000 respectively, with the Maryland population described as including “thousands of plants” (B. W. Steury 2004).


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