Flora of North America species comparison

ascending, often decumbent at base, branched, 4-sided, 10–60 cm, uniformly and softly pubescent.

decumbent proximally, ascending distally, diffusely branched, 4-angled, to 80 cm, with single line of hairs along each internode.

sessile;

blade ovate to ovate-lanceolate, widest proximal to middle, 1–4.5 cm × 4–20 mm, base round, margins densely ciliate, apex shortly acuminate, pubescent on both surfaces.

petiolate (proximal and those on sterile shoots) or sessile (distal and mid stem);

blade ovate to broadly elliptic, 0.5–4 cm × 2–18 mm, base round to cuneate, margins entire with few cilia at base, thin, apex acute to short-acuminate, ± glabrous.

terminal, 5–many-flowered, leafy cymes;

bracts foliaceous, 4–40 mm, margins ciliate, not scarious.

terminal, 9–many-flowered cymes;

bracts ovate to lanceolate, 3–25 mm, reduced distally, herbaceous, sparsely ciliate on margins and underside.

ascending to erect, straight, spreading to reflexed at base in fruit, 5–20 mm.

erect, often becoming deflexed, 5–40 mm, pubescence a single line of hairs.

9–10 mm diam.;

sepals (4–)5, 3-veined, lanceolate, 2.8–5 mm, margins narrow, scarious, apex acuminate, ciliate-pubescent mainly on margins and veins;

petals 5, 4–6 mm, equaling or slightly longer than sepals, blade apex deeply 2-fid;

stamens 10;

styles 3, ascending, ca. 1.5 mm.

5–7 mm diam.;

sepals 5, veins obscure, lanceolate, 5–6.5 mm, margins narrow, membranous, apex acute, pubescent;

petals 5 (rarely absent), 2–5 mm, shorter than or equaling sepals;

stamens 8–10;

styles 3, ascending, outwardly curved, 0.5–1 mm.

green to straw colored, lanceoloid-ovoid, 5–6 mm, slightly longer than sepals, apex obtuse, opening by 3, tardily 6, ascending valves;

carpophore absent.

green to straw colored, ovoid-oblong, 5–7 mm, ca. equaling sepals, apex obtuse, opening by 6 slightly recurved valves;

caropohore absent.

reddish brown, broadly and obliquely ovate, ± 1 mm diam., minutely rugose.

very dark brown when mature, round, 1.1–1.7 mm diam., tuberculate;

tubercles conic, taller than broad, apex acute.

= 22.