Flora of North America species comparison

erect, sparingly branched proximally, slender, 15–35 cm, sparsely glandular-pilose; small axillary tufts of leaves absent.

erect to straggling, decumbent at base, sturdy, 10–50 cm, usually densely pubescent with hairs patent, yellowish, multicellular, glandular and eglandular, often subglabrous near base;

nodes bearded with long, yellowish hairs; small axillary tufts of leaves usually absent.

not marcescent;

proximal blades broadly spatulate-petiolate, 8–55 × 3–16 mm, apex acute or obtuse, sometimes short-acuminate, softly pilose;

cauline few, sessile, blade linear-lanceolate to narrowly oblanceolate, 7–30 mm, apex acute, pilose.

sessile, not marcescent;

blade lanceolate, 7–50 × 3–15 mm, largest on mid and distal stem, apex usually acute, densely ciliate, hairs yellowish, multicellular, eglandular, of various lengths;

proximal leaves with blade lanceolate to elliptic, oblanceolate, or oblong.

very open and loose, 2–9(–25)-flowered cymes;

bracts narrowly lanceolate, pilose.

lax, 2–10-flowered cymes, compact when young, branches elongating at maturity;

proximal bracts foliaceous, herbaceous, pubescence as in leaves;

distal bracts lanceolate, 5–10 mm, often with scarious tip, ciliate with long, fuscous hairs.

straight, becoming sharply deflexed at base, slender, 5–20 mm, elongating in fruit, 1.5–4 times as long as sepals, glandular-pilose.

erect or becoming deflexed at base and curved at apex, 5–30(–60) mm, elongating in fruit, ca. 6 times as long as sepals, densely fuscous-pubescent with glandular and eglandular, patent hairs.

sepals green, turning pale orange-brown in fruit, lanceolate to ovate, 3–6 mm, margins narrow, apex acute, with short, glandular pubescence;

petals oblanceolate, 5–8 mm, 1.5–2 times as long as sepals, apex 2-fid;

stamens 5;

styles 5.

sepals narrowly lanceolate with round base, 6–10 mm, margins narrow, apex acute, strigose-ciliate, hairs long, fuscous;

petals conspicuous, 10–14 mm, 1.5–2 times as long as sepals, apex deeply 2-fid;

stamens 10;

styles 5.

cylindric, straight, 5–12 mm, 1.5–2 times as long as sepals;

teeth 10, becoming outwardly coiled.

slightly conic or cylindric, straight, 10–22 mm, ca. 2 times as long as sepals;

teeth 10, erect, margins convolute.

red-brown, 0.4–0.7 mm diam., tuberculate;

tubercles ± pointed;

testa not inflated.

reddish brown, 1–1.5 mm diam., strongly papillate;

testa not inflated, tightly enclosing seed.

= 36.

= 66, 72.