Flora of North America species comparison

spreading or ascending, unbranched or few-branched distally, 20–80 cm.

erect, usually flushed with red proximally or sometimes green, unbranched or with branches obliquely arising from base, secondary branches arising from main stem, 60–300 cm.

in a basal rosette and cauline, basal 4–8 × 2–5 cm, petiole (0.5–)1–3(–4) cm, blade oblanceolate to ovate, margins entire;

cauline 3–10(–13) × 1–2(–4) cm, petiole 0–0.5(–2) cm, blade lanceolate to ovate, abruptly narrowed to base, margins subentire or coarsely dentate.

in a basal rosette and cauline, basal 9–40 × 1.4–5 cm, cauline 5–22 × 0.8–2.5 cm;

blade dull green, flat, narrowly oblanceolate, oblanceolate to narrowly elliptic, or narrowly lanceolate, margins bluntly dentate or subentire, teeth widely spaced;

bracts persistent.

erect, flowers in axils of distalmost few nodes.

open, erect, unbranched.

opening near sunrise;

buds with free tips 1–3 mm, spreading;

floral tube 10–25 mm;

sepals 10–20 mm;

petals bright yellow, fading pale pink or pale yellow, 15–30 mm;

filaments 7–15 mm, anthers 4–8 mm, pollen 85–100% fertile;

style 10–20 mm, stigma exserted beyond anthers at anthesis.

opening near sunset;

buds erect, 5–9 mm diam., with free tips terminal, erect, 2–6 mm;

floral tube deciduous after anthesis, 60–135 mm;

sepals yellowish green, flushed with some red or red to dark red throughout, 25–55 mm;

petals yellow to pale yellow, fading orange or pale yellow, very broadly obcordate, 28–65 mm;

filaments 20–40 mm, anthers 14–20 mm, pollen 90–100% fertile;

style 90–180 mm, stigma exserted beyond anthers at anthesis.

usually oblong-clavate to oblong-ellipsoid or ellipsoid, 4-angled or weakly 4-winged, (5–)10–15(–28) × 2–4(–5) mm, stipe (1–)3–5(–9) mm;

sessile.

erect or slightly spreading, dull green or gray-green when dry, narrowly lanceoloid, 25–55 × 4–9 mm, free tips of valves 1–2(–3) mm.

1 × 0.5 mm.

1–1.9 × 0.6–1.2 mm.

= 56.

= 14.