Flora of North America species comparison

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

decumbent or ascending, diffusely branched, 7.5–30 cm, densely covered and viscid with short, glandular hairs; small axillary tufts of leaves 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.

not marcescent, sessile distally, spatulate to pseudopetiolate proximally;

blade 5–10 × 2–4 mm, covered with short, glandular and eglandular hairs;

proximal blades oblanceolate, apex obtuse;

cauline blades ovate or oblong-ovate, apex acute.

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

bracts narrowly lanceolate, pilose.

lax, 3–30-flowered cymes;

bracts lanceolate to ovate, herbaceous, glandular-pubescent.

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

straight, ultimately erect in fruit, slender, 2–15 mm, much longer than capsule, glandular.

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.

4(–5)-merous;

sepals lanceolate, 4–7 mm, margins narrow distally, apex acute or acuminate, glandular-pubescent, hairs usually not projecting beyond apex;

petals ca. 3 mm, ca. 0.75 times as long as sepals, apex 2-fid;

stamens 4(–5);

styles 4(–5).

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

teeth 10, becoming outwardly coiled.

narrowly cylindric, nearly straight, 5–7.5 mm, 1–1.5 times as long as sepals;

teeth 8 or 10, erect, margins convolute.

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

tubercles ± pointed;

testa not inflated.

reddish brown, 0.5–0.7 mm, bluntly tuberculate;

testa not inflated.

= 36.

= 72.