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.

erect to ascending, much-branched, 15–33 cm, glabrous to minutely puberulent.

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 lanceolate to ovate, 2.5–5 mm, apex acuminate to long-acuminate, entire;

blade linear to filiform, 8–15 × 0.4–0.8 mm, leathery, apex acute to submucronate, 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, short-campanulate, with enlarged hypanthium and calyx slightly constricted proximally, 1.6–2 mm, appressed-puberulent proximally;

sepals red-brown, midrib and lateral pair of veins absent to evident, oblong, 0.8–1.1 mm, leathery to rigid, margins whitish to translucent, 0.05–0.1 mm wide, scarious, apex terminated by awn, hood present, broadly rounded, awn divergently spreading, 0.4–0.6 mm, ± broadly conic in proximal 1/2 with pale-yellow, scabrous spine;

staminodes filiform, 0.5–0.7 mm;

style 1, cleft in distal 1/6, 0.6–0.7 mm.

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

terminal and axillary, 5–20+-flowered, dichotomous, repeatedly branching and diffusely spreading, open, clusters 0.5–1.5 mm wide.

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

ovoid-globose, 0.8–0.9 mm, smooth, glabrous.