Flora of North America species comparison

erect, branched, square, 10–40 cm, with alternating lines of soft, spreading, flexuous, mainly eglandular hairs.

erect or straggling, branched, square, 10–35 cm, glabrous but angles minutely papillate-scabrid.

petiolate (proximal) or subsessile (distal);

blade elliptic, broadly lanceolate to ovate, 1–5 cm × 5–16 mm, base cuneate, margins entire, apex acute, glabrous, sparsely pubescent adaxially on midrib.

sessile;

blade green to yellowish green, never glaucous, linear to very narrowly elliptic, widest at or beyond middle, 0.8–4 cm × 1–3 mm, not coriaceous, base attenuate, apex acuminate to acute, glabrous to sparingly ciliate at base, margins minutely papillate-scabrid;

proximal leaves shorter and wider.

terminal, 3–7-flowered, cymes dichotomously branched;

bracts foliaceous, lanceolate, 5–30 mm, soft, margins entire, distal ones ciliate on margins and adaxial vein.

terminal, widely divaricate, 2–many-flowered cymes;

bracts lanceolate, 1–5 mm, scarious, apex acuminate.

erect, 5–45 mm, softly pubescent.

straight or somewhat arcuate, commonly 3–30 mm, glabrous or scabrous.

10–16 mm diam.;

sepals 5, obscurely veined, narrowly triangular, (5–)7–10(–12) mm, margins narrow, membranous, apex acuminate, glabrous or with shortly ciliate margins;

petals 5, equaling to slightly shorter than sepals;

stamens 10;

styles 3, ascending, ca. 2.5 mm.

5–9 mm diam.;

sepals 5, obscurely 3-veined, ovate-elliptic, 2–4 mm, margins scarious, apex acute, glabrous;

petals 5, 2–3.5 mm, ± equaling sepals;

stamens 5–10;

styles 3, ascending, ca. 1 mm.

straw colored to pale brown, broadly ovoid, ca. 5 mm, shorter than sepals, apex obtuse, opening by 3 valves;

carpophore absent.

blackish purple or straw colored, ovoid-conic, 3–6 mm, much longer than sepals, opening by 6 valves;

carpophore absent.

brown, broadly reniform, ca. 2 mm diam., coarsely sulcate-papillate.

brown, broadly reniform, 0.7–0.8 mm diam., slightly rugose.

= 60.

= 26.