Annual herb from a slender taproot; stems erect, simple, bluish-green, 1-15 cm tall.
Basal leaves numerous, linear, 2-12 cm long, 0.5-1.5 mm wide, blue-green; stem leaves paired, opposite, linear to linear-lanceolate, 0.5-4 cm long, free or fused on one side less than half their length, bluish-green.
Inflorescence of stalked to unstalked racemes 5-20 mm long with 2-7 flowers on recurved stalks, the stalks 3-10 mm long, with one bract subtending the lowest flower; petals 5, white or pale pink, 2.5-4.5 mm long; sepals 2, 1-2 mm long.
Capsules, 2-3 mm long; seeds 3, elliptic, dull black, 1-1.5 mm long, with small rounded swellings (at 20x magnification), the appendages brownish, fleshy or shrunken.
Synonyms and Alternate Names:
Claytonia parviflora var. glauca Nutt. ex Torr. & A. Gray
Montia perfoliata subsp. glauca (Nutt. ex Torr. & A. Gray) Ferris
1. Cauline leaves distinct or partially connate into horn shape; petals 2-6 mm................subsp. exigua
1. Cauline leaves perfoliate; petals 2-3 mm...................subsp. glauca
Source: Flora North America Online.