Flora of North America species comparison

erect, unbranched or many-branched distally, (20–)30–200(–300) cm.

erect, usually branched several cm belowground or near base, sometimes also branched distally, 25–100 cm.

in a basal rosette and cauline, basal 4–15 × 1.5–3 cm, petiole 0–1.8 cm, blade broadly oblanceolate, margins sinuate-dentate to dentate;

cauline 2–13 × 0.5–5 cm, petiole 0–2 cm, blade narrowly elliptic to narrowly ovate, margins sinuate-dentate to dentate.

in a basal rosette and cauline, basal 1–6.5(–13) × 0.4–1.5 cm, blade narrowly oblanceolate;

cauline 0.5–3(–6.5) × 0.1–1.1 cm, blade very narrowly elliptic, narrowly lanceolate, or linear, margins sinuate-dentate to subentire.

relatively long, dense.

4-merous, nearly actinomorphic, opening near sunset;

floral tube 1.5–5 mm;

sepals 2–3.5 mm;

petals white, fading pale to dark pink, slightly unequal, oblong-obovate to elliptic-oblanceolate, 1.5–3 mm, abruptly clawed;

filaments 1.5–3 mm, anthers 0.5–1 mm, pollen 85–100% fertile;

style 3–9 mm, stigma surrounded by anthers at anthesis.

4-merous, slightly zygomorphic, opening near sunset;

floral tube 3–8.5 mm;

sepals 3–9 mm;

petals white, fading pink to red, slightly unequal, elliptic-obovate, 4–10 mm, clawed;

filaments 2–4.5 mm, anthers 2–4 mm, pollen 85–100% fertile;

style 6.5–15 mm, stigma exserted beyond anthers at anthesis.

fusiform, terete, weakly angled in distal 1/3, angles becoming broad and rounded in proximal part, 5–11 × 1.5–3 mm, tapering abruptly toward base;

sessile.

erect, sometimes reflexed in age, fusiform, sometimes slightly narrowed in proximal 1/3, 5.5–13 × 1–2.5 mm, valves with inconspicuous raised midrib;

sessile.

3 or 4, reddish brown, 2–3 × 1–1.5 mm.

(1 or)2–4, yellowish or light brown, 1.5–2.5 × 0.8–1.3 mm.

= 14.

= 14.