Flora of North America species comparison

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

branched distally, 4-angled, 15–60 cm, glabrous or hispid-puberulent distally.

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 narrowly lanceolate, widest near base, 4–8 cm × 2–10 mm, somewhat coriaceous, base round and clasping, margins and abaxial midrib very rough, apex narrowly and sharply acuminate, scabrid, otherwise glabrous, slightly glaucous.

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, loose, 3–31-flowered cymes;

bracts foliaceous, 5–50 mm, margins and abaxial midrib scabrid.

erect, 5–45 mm, softly pubescent.

ascending, 1–60 mm, slender, pubescent.

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.

20–30 mm diam.;

sepals 5, inconspicuously 3-veined, ovate-lanceolate, 6–8 mm, margins narrow, scarious, apex acute, glabrous;

petals 5 (rarely absent), 8–14 mm, longer than sepals, blade apex 2-fid to middle;

stamens 10, sometimes fewer by degeneration;

styles 3, ascending, ca. 4 mm.

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

carpophore absent.

green, subglobose, 5–6 mm, ± equaling sepals, apex obtuse, opening by 3 valves, tardily splitting into 6;

carpophore absent.

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

reddish brown, reniform, 2–3 mm diam., papillose.

= 60.

= 26 (Europe).