Flora of North America species comparison

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

erect, usually green, rarely flushed with red, unbranched or with branches arising obliquely from rosette and secondary branches arising from main stem, 60–180 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 10–30 × 2.5–5 cm, cauline 4–20 × 1–5 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, usually unbranched, rarely with few lateral branches.

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.

opening near sunset;

buds erect, 7–12 mm diam., with free tips terminal, erect, 0.5–3 mm;

floral tube persistent on ovary after anthesis, (60–)80–120(–160) mm;

sepals yellowish green, red-striped to red throughout, 30–55 mm;

petals yellow, fading orange or pale yellow, very broadly obcordate, 40–50 mm;

filaments 23–30 mm, anthers 12–22 mm, pollen 90–100% fertile;

style 90–170(–200) 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 or slightly spreading, dull green or gray-green when dry, narrowly lanceoloid, 20–50 × 6–12 mm, free tips of valves 2.5–5 mm.

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

1–1.2 × 0.7–1.3 mm.

= 14, 28, 42, 56.

= 14.