Flora of North America species comparison

erect, usually simple, 30–150 cm, with short, dense, eglandular pubescence, sparsely so toward base.

erect, branched or simple, 5–40 cm, glabrous or pubescent.

sessile, 2 per node;

blade prominently 3–5-veined, ovate-acuminate, round at base, (4–)6–10(–13) cm × (20–)30–50(–90) mm, appressed-pubescent on both surfaces.

basal few or numerous, petiolate, blade narrowly oblanceolate, spatulate, 1–13 cm × 1–7 mm, margins ciliate, glabrous or pubescent;

cauline in 1–5 pairs, sessile, much reduced distally, blade linear to lanceolate, 0.1–4 cm × 1–5 mm.

paniculate, narrow, many-flowered, open, bracteate, pedunculate, 10–50 × 3–5 cm, densely puberulent;

bracts narrowly lanceolate, 3–15 mm, apex acuminate;

peduncle ascending.

ascending, recurved near apex, ca. equaling calyx.

slender or stout.

nocturnal;

calyx prominently 10-veined, tubular to narrowly campanulate and 6–9 × 3–4 mm in flower, turbinate and 10–12 × 4–5 mm in fruit, narrowed proximally around carpophore, veins parallel, green, broad, with pale commissures, puberulent, sometimes with few glands, lobes triangular-acute, 2–3 mm;

corolla white, clawed, claw equaling calyx, broadened into limb, limb obtriangular, deeply lobed, 7–9 mm, lobes ca. 8, linear, appendages minute;

stamens slightly longer than corolla;

styles 3, ca. 2 times as long as corolla.

erect or nodding;

calyx prominently 10-veined, ovate-elliptic to broadly campanulate, inflated, 11–18 × 6–13 mm, thin and papery, veins purple or brown, lobes ovate to triangular, 2–3 mm;

corolla dingy pink, purple, or red, claw shorter than to equaling calyx, limb not differentiated from claw, ovate or obovate, unlobed to 2-lobed, 1–4 mm;

stamens shorter than petals;

styles 5, shorter than petals.

narrowly ovoid, slightly longer than calyx, opening by 3 (splitting into 6) ascending teeth;

carpophore 2–2.5 mm.

equaling to slightly longer than calyx, opening by 10 recurved teeth;

carpophore 1–2 mm.

dark brown, reniform, 0.8–1.5 mm, shallowly tuberculate.

brown or sooty brown, broadly winged, round to ± angular, 1.5–2.5 mm diam. including wing.

= 48.