Flora of North America species comparison

erect, unbranched or with few, spreading branches, 30–50(–80) cm.

ascending to erect, with decumbent branches, thickened at base, tapering toward apex, 10–35(–60) cm.

in a basal rosette and cauline, rosette weakly developed or absent, at least during flowering, (1–)2–6(–8) × 1–2(–3) cm;

sessile;

blade lanceolate to oblong lanceolate, proximal ones sometimes oblanceolate, margins coarsely repand-dentate or -pinnatifid.

in a basal rosette and cauline, basal 5–10(–26) × 0.6–1.5(–3.5) cm, cauline 5–8(–15.5) × 1–2 cm;

petiole 0–12 cm;

blade lanceolate to oblanceolate, margins pinnatifid or sometimes coarsely serrate.

1–several opening per day near sunset;

buds nodding, weakly quadrangular, without free tips;

floral tube 20–30 mm;

sepals 13–21 mm, not spotted or with scattered small, maroon spots;

petals white, fading pink, broadly obovate or obcordate, 15–30 mm;

filaments 14–16 mm, anthers 6–8 mm;

style 40–50 mm, stigma exserted beyond anthers at anthesis.

1–several opening per day near sunset;

buds nodding, weakly quadrangular, without free tips;

floral tube 26–31 mm;

sepals 19–26 mm, conspicuously maroon-spotted, each spot at base of a long hair;

petals white, fading pink to deep pink, broadly obovate or obcordate, 16–26(–36) mm;

filaments 9–15 mm, anthers 7–9 mm;

style 45–50 mm, stigma exserted beyond anthers at anthesis.

widely spreading, woody in age, straight or slightly curved, cylindrical, obtusely 4-angled, especially toward base, tapering gradually from base to apex, 30–60 × 2–3 mm;

sessile.

spreading, woody in age, curved upward, or distal end recurved, cylindrical, obtusely 4-angled, especially toward base, tapering gradually from base to apex, 30–80 × 2.5–3.5 mm;

sessile.

numerous, in 1 row per locule, brown, narrowly obovoid, 1–1.5 mm.

numerous, in 1 row per locule, light brown to yellowish brown with dark purple splotches, obovoid, 1.6–2 mm.

= 14.

= 14.