Flora of North America species comparison

erect, branched, 4-sided, 10–40 cm, with alternating lines of spreading, soft, flexuous, mainly eglandular hairs.

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

usually sessile (distal), often short-petiolate (proximal);

blade elliptic, obovate, or lanceolate, widest at or beyond middle, 1–10 cm × 5–35 mm, base cuneate, margins entire, apex acute, glabrous to sparsely pubescent adaxially, ciliate on margins and abaxial 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, 3–70-flowered cymes;

bracts elliptic to lanceolate, 7–65 mm, herbaceous.

terminal, loose, 3–31-flowered cymes;

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

erect in flower, often deflexed at base in fruit, 5–40 mm, softly pubescent.

ascending, 1–60 mm, slender, pubescent.

(8–)10–12 mm diam.;

sepals 5, with midrib, ovate, 3.5–6 mm, margins narrow, scarious, apex obtuse to acute, softly and often sparsely pubescent;

petals 5, 4–8 mm, longer than sepals;

stamens 10;

styles 3, ascending, 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.

green to straw colored, broadly ovoid, 3.5–5.5 mm, ca. equaling sepals, apex obtuse, opening by 6 valves;

carpophore absent.

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

carpophore absent.

brown, obliquely reniform, 1.5–2 mm diam., coarsely sulcate-papillate.

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

= 30.

= 26 (Europe).