Drymaria depressa


Leafl. Bot. Observ. Crit. 1: 153. 1905.

Synonyms: Drymaria effusa var. depressa (Greene) J. A. Duke
Treatment appears in FNA Volume 5. Treatment on page 11. Mentioned on page 10, 12.

Plants annual, herbaceous, glabrous or minutely puberulent, not glaucous. Stems ascending to erect, generally branching at base, 0.5–5 cm. Leaves opposite; stipules ± deciduous, simple, subulate, 0.5–1.2 mm; petiole absent or nearly so; blade orbiculate to spatulate (basal leaves) or oblong (cauline leaves), 0.3–1 cm × 0.2–3 mm, base attenuate, apex rounded to acute. Inflorescences terminal, congested to open, 3–25+-flowered cymes. Pedicels mostly shorter than subtending bracts at maturity. Flowers: sepals with 3 prominent, ± parallel, apically confluent veins, lanceolate, oblong, or ovate (herbaceous portion ± oblong), 1.8–2.3 mm, ± equal, apex blunt or rounded, hood at ± right angle to apex, formed in part by scarious margins, glabrous; petals 2-fid for ca. 1/2 their length, 1.5–2.8 mm, 3/4–1 times as long as sepals, lobes 1-veined, vein unbranched, linear, trunk absent, base gradually tapered, apex rounded. Seeds light reddish brown to tan, snail-shell- to teardrop-shaped, 0.5–0.6 mm; tubercles minute, rounded.

Phenology: Flowering late summer–early fall.
Habitat: Rocky or gravelly slopes, disturbed areas in pine or aspen woodland
Elevation: 2200-3100 m


V5 5-distribution-map.gif

Ariz., Colo., N.Mex., Mexico, Central America.


Drymaria depressa has been treated as a variety of D. effusa, from which it differs in a number of respects, as indicated in the key.

Selected References


Lower Taxa

... more about "Drymaria depressa"
Ronald L. Hartman +
Greene +
Ariz. +, Colo. +, N.Mex. +, Mexico +  and Central America. +
2200-3100 m +
Rocky or gravelly slopes, disturbed areas in pine or aspen woodland +
Flowering late summer–early fall. +
Leafl. Bot. Observ. Crit. +
Drymaria effusa var. depressa +
Drymaria depressa +
Drymaria +
species +