OregonFlora species comparison

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Spergula arvensis

Spergula morisonii

corn spurrey, stickwort
Stems

10–40+ cm, often branched at base, glabrous or usually glandular-hairy.

Leaves

1–5 cm;

margins often strongly revolute.

Inflorescences

bracts often purplish;

pedicels erect to ascending in flower, spreading to reflexed in fruit.

Flowers

sepals elliptic to ovate, 2.5–5 mm;

petals elliptic to ovate, 2.5–4 mm.

2n

=18, 36.

Spergula arvensis

Spergula morisonii
Distribution
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Discussion

Disturbed areas, cultivated fields, open fields, beaches. Flowering Apr–Jun. 0–400 m. Casc, CR, ECas, Est, Sisk, WV. CA, ID, WA; scattered throughout much of northern North America; worldwide. Exotic.
Source Flora of Oregon, volume 2, page 576
Rich Rabeler, Ronald Hartman
Sibling taxa
S. arvensis
Synonyms Spergula arvensis ssp. arvensis, Spergula arvensis var. arvensis, Spergula arvensis var. sativa
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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