Flora of North America species comparison

erect, simple or branched at base, 5.5–30 cm, shaggy, hairs silvery, spreading-ascending; small axillary tufts of leaves absent.

simple, or few together, erect or ascending, 20–70 cm, proximal internodes moderately pilose, becoming glandular distally; nonflowering, axillary branches usually present; small axillary tufts of leaves absent.

not marces-cent;

blade 4–15(–20) × 1.5–5(–7) mm, pubescence of long, glandular and/or eglandular hairs;

basal ± crowded, blade oblanceolate, spatulate, apex obtuse;

cauline sessile, blade lanceolate or elliptic, apex acute.

sessile, not marcescent;

blade narrowly lanceolate, with prominent midrib, 0.2–1 × 3–12 mm, apex acuminate, ± pubescent on both surfaces, short-ciliate.

lax, dichasiate, 3–30-flowered cymes;

bracts herbaceous, lanceolate, densely pubescent, with long, ascending, glandular or eglandular hairs.

open or congested, usually 3–10-flowered cymes;

bracts normally lanceolate, acuminate, herbaceous, pubescent.

erect or ascending, bent distally in fruit, 6–15 mm, longer than capsule, shaggy, glandular or eglandular.

erect, 2–25(–60) mm, usually ca. 2 times as long as sepals in fruit, glandular-pubescent.

sepals lanceolate, 4–4.5 mm, foliaceous, with or without narrow margins, densely pubescent, hairs exceeding sepal tips;

petals oblanceolate, 2–3 mm, ca. 0.5 times as long as sepals, apex 2-fid, sparsely ciliate proximally;

stamens 10, with few long hairs near filament base;

styles 5.

large, conspicuous, more than 2 cm diam.;

sepals lanceolate, 8–11(–12) mm, outer sepal margins herbaceous, inner sepal margins narrow, membranous, apex acute, moderately to sparsely glandular-hairy;

petals obovate, (15–)18–25 mm, at least 2 times as long as sepals, apex deeply 2-fid;

stamens 10;

styles 5.

cylindric, slightly curved near apex, 5–7 mm, ca. 1.5 times as long as sepals;

teeth 10, erect, margins convolute.

narrowly conic, straight, 15–22 mm, ca. 2 times as long as sepals;

teeth 10, erect, short, becoming outwardly coiled.

pale brown, 0.5 mm diam., acutely tuberculate;

testa not inflated.

yellowish brown, round, 2–2.5 mm diam., finely rugose in concentric rings;

testa not inflated.

= 72 (Europe), 88, 90.

= 38.