Flora of North America species comparison

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

in a basal rosette, 2.6–4.2(–6.2) × 1.4–4.2 cm;

petiole 2.5–9(–11.5) cm;

blade usually oblanceolate to obovate, sometimes suborbiculate, margins dentate, pinnately lobed, lateral lobes oblong to lanceolate, often absent or reduced to only a few lobes toward terminal lobe, base rounded to cordate.

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.

usually 1–3, rarely more, opening per day near sunset;

buds erect, quadrangular, without free tips;

floral tube 27–45(–55) mm;

sepals 25–30 mm;

petals intensely yellow, fading deep salmon red, obcordate, 25–38 mm;

filaments 17–23 mm, anthers 7–10 mm;

style 44–65(–80) mm, stigma somewhat exserted beyond anthers at anthesis.

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.

moderately thin and flexible, lanceoloid, falcate or sigmoid, often contorted and twisted, 4-angled, 35–90 × 7–11 mm, gradually tapering to a long, slender, sterile apex, 10–30(–40) mm, valves conspicuously wrinkled, dehiscent 2/3–3/4 their length;

sessile.

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.

numerous, in 1 row per locule, often forming 2 rows near base of capsule, obovoid, 2.4–3.2 × 1.3–1.7 mm, surface coarsely rugose.

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

= 14.

= 14, 28, 42, 56.