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 distally, 5–20 cm, finely pubescent to 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, 3–8 mm, apex acuminate, entire;

blade linear, 5–20 × 0.3–1 mm, leathery, apex minutely cuspidate, 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 widening distally, 2.4–3.2 mm, moderately pubescent proximately with antrorsely appressed to spreading hairs;

sepals green to tan, midrib and lateral pair of veins absent to evident, oblong, 1.2–1.3 mm, leathery to rigid, margins whitish to translucent, 0.05–0.1 mm wide, scarious, apex terminated by awn, hood ± obscure, narrowly rounded, awn widely divergent, 0.6–1.3 mm, broadly conic in proximal 1/3 with white to yellowish, scabrous spine;

staminodes subulate, 0.6–0.7 mm;

style 1, cleft in distal 1/2, 0.4–0.6 mm.

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

terminal and lateral, 5–20+-flowered, dichasial and rather diffuse, forming clusters 3–15 mm wide.

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

ovoid-oblong, 1 mm, smooth, glabrous.

= 64.