Flora of North America species comparison

erect, branched or unbranched, 30–300 cm.

usually unbranched, sometimes several-branched from base, 60–180 cm.

in a basal rosette and cauline, basal 3–7 × 0.5–2 cm, sessile, blade oblong to oblong-lanceolate, base usually ± auriculate, margins entire;

cauline 3–8(–10) × 0.4–1.8 cm, blade lanceolate to oblong-lanceolate, gradually smaller, becoming linear-subulate distally.

in a basal rosette and cauline, 0.8–13 × 0.1–1.6 cm;

blade often red-blotched, narrowly lanceolate to narrowly oblanceolate, margins slightly to conspicuously sinuate-dentate.

long, wandlike, unbranched or branched.

4-merous, nearly actinomorphic, opening near sunrise;

floral tube 6–17 mm;

sepals 4–6 mm;

petals white, fading off-white or tinged pink, slightly unequal, rhombic, 4–6 mm, abruptly clawed;

filaments 5–8 mm, anthers 1.5–2 mm, pollen 85–100% fertile;

style 6–10, stigma exserted beyond anthers at anthesis.

3 or 4-merous, often mixed on a single plant, zygomorphic, opening near sunset;

floral tube 3–8 mm;

sepals 2.5–8 mm;

petals white, fading pink, narrowly elliptic-obovate, 4.5–8 mm;

filaments 2.5–6 mm, anthers 0.5–2 mm, pollen 90–100% fertile;

style 7.5–19 mm, stigma surrounded by or slightly exserted beyond anthers.

ovoid, 4-angled, somewhat flattened, 3–4 × 1.5–2.3 mm, valves with raised midrib and conspicuous lateral veins;

sessile.

ellipsoid or ovoid, 3-(or 4-)angled, 5–9 × 2–3 mm;

sessile.

1, pale yellow, oblanceoloid, 2.4–2.6 × 1–1.5 mm.

2–4, yellowish to light brown, 1.2–2.3 × 0.8–1.1 mm.

= 14.

= 14.