Flora of North America species comparison

erect or ascending, usually many-branched, 10–120 cm.

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

in a basal rosette (but not present at flowering) and cauline, 0.7–6.5 × 0.1–1.5 cm, blade linear to narrowly elliptic, margins entire or remotely and coarsely serrate.

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.

4-merous, zygomorphic, opening near sunset;

floral tube 4–11(–13) mm;

sepals 5–9(–10) mm;

petals white, fading salmon pink to scarlet-red, slightly unequal, obovate to elliptic-obovate or elliptic, 3–7(–8) mm, abruptly clawed;

filaments 3–6.5(–7) mm, anthers (2.5–)3–5(–5.5) mm;

style 10–22 mm, stigma exserted beyond 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.

erect, pyramidal in distal 1/2 and abruptly constricted to terete proximal part, pyramidal part weakly or strongly angled, not conspicuously bulging at base, 4–9 × (1–)1.5–3 mm;

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.

(1–)3 or 4, light to reddish brown, 1.5–3 × 1–1.5 mm.

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

= 14, 28, 42, 56.

= 14.