Flora of North America species comparison

sprawling t2o erect, nearly simple to much-branched especially distally, 7–35 cm, retrorsely pubescent on 1 side or throughout.

prostrate to ascending, dichotomously branched, 5–20 cm, often retrorsely pubescent on 1 side.

stipules lanceolate to ovate, 5–10 mm, apex acuminate, entire;

blade linear-oblong to oblanceolate, 5–30 × 1–7 mm, leathery, apex acute to cuspidate, moderately antrorsely pubescent.

stipules ovate-lanceolate, 1–1.5 mm, apex obtuse to acuminate, fimbriate;

blade oblong to triangular-ovate, 1.5–6 × 0.5–1.5 mm, leathery, apex acute to obtuse, glabrous.

5-merous, ± short-campanulate, with prominently enlarged hypanthium and calyx flaring distally, (1.5–)2–2.3 mm, pubescent proximally with short, hooked hairs;

sepals greenish to brownish or red-brown, white distally, veins absent, oblong to obovate, 1–1.5 mm, leathery to rigid, margins white, 0.2–0.3 mm wide, papery, apex terminating in divergent awn, hood broadly rounded, awn white, stout-conic, 0.5–0.6 mm, glabrous;

staminodes filiform, ± 0.3 mm;

style 1, cleft in distal 1/5, 0.3–0.6 mm.

5-merous, occasionally 3- or 4-merous, obconic to short-campanulate, with gradually expanded hypanthium and calyx widening distally, 0.5–0.8 mm, pubescent proximally with straight to hooked hairs;

sepals brown-purple, white to greenish at apex, sometimes proximally, veins absent, ± oblong, 0.5–0.7 mm, leathery to rigid, margins whitish to translucent, 0.1–0.2 mm wide, scarious, apex terminated by crest or mucro, hood broadly rounded, mucro rounded-triangular, ca. 0.1 mm, glabrous;

staminodes absent or rudimentary;

styles 2(–3), ca. 0.3 mm.

terminal, 25+-flowered, much-branched but congested, clusters 5–20 mm wide.

terminal, 7–25+-flowered, much-branched and very profusely developed along all branches, 1.5–20 mm wide.

ellipsoid to subglobose, 0.5–0.8 mm, minutely papillate distally.

ovoid or ellipsoid to subglobose, 0.4–0.5 mm, smooth, glabrous.