Flora of North America species comparison

several, erect, simple proximal to inflorescence, 50–160 cm, glabrous to sparsely retrorse-puberulent proximally, more densely so and glandular distally.

several, simple or branched, spreading to ascending, leafy, 10–30 cm, densely pubescent, glandular.

withered towards base at anthesis, in 10–20 pairs, sessile, gradually reduced distally;

blade 3-veined, lanceolate to ovate, rounded into base, 4–12 cm × 20–50 mm, apex acute, not acuminate, glabrous to scabrous-puberulent adaxially, scabrous-puberulent abaxially.

2 per node, mostly cauline, blade 1.5–6 cm × 3–14 mm, apex sharply acuminate, pubescent and viscid on both surfaces;

distal sessile, blade elliptic-lanceolate;

proximal short-petiolate, blade oblanceolate.

terminal, cymose, compound, many-flowered, bracteate, pedunculate, 15–25(–30) × 5–10 cm;

bracts lanceolate, 3–30 mm;

peduncle ascending.

leafy, flowers terminal and axillary.

1–4 times longer than calyx, stipitate-glandular, puberulent.

straight, rather slender, 1/5 times to equaling calyx.

calyx prominently 10-veined, tubular in flower, 18–25 × 3–4 mm, swelling in middle to 6–9 mm in fruit, umbilicate, constricted near base around carpophore, glandular-pubescent, especially on veins, veins green, lobes 2–4 mm, midrib lanceolate, margins often red tinged, broad, membranous;

corolla scarlet, clawed, claw equaling calyx, limb oblong to elliptic, unlobed, rarely emarginate or shallowly 2-lobed, 10–20 × 5–6 mm, apex rounded, appendages 2, tubular, 2–4 mm;

stamens exserted;

styles 3(–5), exserted.

calyx prominently 10-veined, tubular to narrowly obconic in flower, 16–20 × 4–5 mm, clavate and broadening to 7 mm in fruit, narrowed proximally around carpophore, coarsely glandular-pubescent and viscid, veins parallel, green, with pale commissures, lobes narrowly lanceolate, 5–7 mm, margins narrow, membranous, apex acuminate;

corolla white to pale yellow, sometimes purple tinged, clawed, ca. 2 times calyx, claw longer than calyx, broadened into obtriangular limb, limb 5–8 mm, cleft ca. to middle into (2–)4–8 lanceolate to oblong lobes, appendages 2, very short;

stamens exserted, shorter than petals;

styles 3, exserted, slender, shorter than petals.

ovoid-ellipsoid, narrowed at both ends, equaling calyx, opening by 6 (or 8 or 10) ascending teeth;

carpophore 3–5 mm.

narrowly ovoid, equaling calyx, opening by 3 teeth that tardily split into 6;

carpophore 3–6 mm.

dark reddish brown, reniform, 1.5–2 mm, with smooth and glossy, flat or concave sides, margins angled, shallowly rugose.

brown, broadly reniform, flattened, ca. 1.5 mm, sides rugose, margins papillate;

papillae conic, acute.

= 48.

= 96.