Flora of North America species comparison

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

erect, branched from base, branches ascending (fastigiate), 10–50 cm, pubescent with stiff, gland-tipped, patent or slightly reflexed hairs with broadened base, pubescence shorter than diam. of stem, soft wooly hairs absent; 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.

sessile;

distal and mid-stem blades linear-lanceolate, 20–70 × 1.5–6 mm, apex acute to acuminate;

proximal leaves shortly connate basally, blade narrowly oblanceolate, tending to be spatulate, pubescence short, stiff, patent, glandular.

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

bracts narrowly lanceolate, pilose.

very lax, making up at least 1/2 height of plant, 3–45-flowered cymes;

bracts, linear-lanceolate, 2–22 mm, 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.

erect to spreading, bent distally, slender, 5–20 mm, 1–5 times as long as sepals, usually longer than capsules, glandular-pubescent.

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, 4–5 mm, margins narrow (narrower than herbaceous center), apex sharply acute to acuminate, glandular-hispid, hairs shorter than sepal tips;

petals oblanceolate, 4–5 mm, ± equaling sepals, apex 2-fid;

stamens 10;

styles 5.

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

teeth 10, becoming outwardly coiled.

cylindric, curved, (5–)7–10(–11) mm, ca. 2 times as long as sepals;

teeth 10, erect to slightly spreading, margins convolute.

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

tubercles ± pointed;

testa not inflated.

golden brown, 0.5–0.8 mm diam., coarsely tuberculate.

= 36.

= 36.