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.

procumbent, branched from base, hirtellose; flowering stems 7–45 cm;

sterile stems 3–10 cm.

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 narrowly lanceolate, 6–13 mm, apex acuminate, often deeply cleft;

blade linear, 10–30 × 0.4–1 mm, leathery, apex short-spinose, minutely hirtellous to puberulent.

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, narrowly ovoid, with enlarged hypanthium and calyx tapering gradually distally, 2.8–5.1 mm, glabrous to puberulent, especially proximally;

sepals brown to yellowish, midrib and lateral pair of veins prominent, lanceolate to oblong-lanceolate, 2–2.9 mm, leathery to rigid, margins whitish, 0.1–0.2 mm wide, papery, apex terminated by awn, hood rounded-triangular, awn curved outward, green to red-brown, ± conic, 0.4–1.1 mm, scabrous, distinct spine absent;

staminodes filiform, 0.8–1 mm;

style 1, cleft in distal 1/5, 1.2–2 mm.

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

terminal, 3–10+-flowered, somewhat open to compact, often forming clusters 6–30 mm wide.

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

ovoid to obovoid, 1.8–2 mm, smooth, glabrous.