Flora of North America species comparison

ascending or sometimes procumbent, few- to many-branched, not filiform.

axillary fascicles absent;

basal frequently in primary and secondary rosettes 9–45 mm diam., blade linear, 10–20 mm, not succulent, apex apiculate, rarely aristate, glabrous;

cauline not conspicuously connate basally, rarely forming inflated cup in cespitose, alpine plants, blade linear, sometimes linear-subulate in cespitose plants, 4–20(–25) mm, not fleshy, apex apiculate, glabrous.

frequently recurved during capsular development, erect in fruit, filiform, glabrous.

axillary or terminal, 5-merous, very rarely some 4-merous;

calyx base glabrous;

sepals elliptic, 2–2.5 mm, hyaline margins white, rarely purple in alpine specimens, apex obtuse to rounded, remaining appressed following capsule dehiscence;

petals elliptic, (1–)1.5–2 mm, shorter than or equaling sepals;

stamens (5 or) 10.

2.5–3(–3.5) mm, 1.5–2 times sepals, dehiscing to base.

brown, obliquely triangular with distinct abaxial groove, 0.3–0.4 mm, smooth to slightly pebbled.

= 22.