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, branched especially distally, retrorsely to spreading-pubescent throughout (when pubescent); flowering stems 8–48 cm;

sterile stems 2–10 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 ovate-lanceolate, 2–12 mm, apex acuminate, entire;

blade linear to spatulate-oblanceolate, 4–40 × 1–4 mm, leathery, apex obtuse to acute, moderately antrorsely pubescent.

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 ellipsoid, with slightly enlarged hypanthium and calyx tapering distally, 2.3–3.5 mm, glabrous to slightly puberulent proximally with straight to hooked hairs;

sepals red-brown, white or whitish distally, veins absent, narrowly oblong to lanceolate-oblong, 1.4–2 mm, papery, margins white, ca. 0.1 mm wide, papery, apex rounded, hood formed from slight incurving, awn or mucro absent;

staminodes narrowly oblong, 0.4 mm;

style 1, cleft in distal 1/10, 1.3–1.7 mm.

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

terminal, 15–200+-flowered, branched, densely to loosely grouped to form subcorymbose clusters 5–50 mm wide.

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

ovoid to ellipsoid, 1–1.2 mm, rugulose, glabrous.