Flora of North America species comparison

erect to decumbent, green or flushed with red on proximal parts or throughout, unbranched or bushy and branched from base, with side branches arising obliquely or arcuately from rosette, 10–60 cm.

erect, green or flushed with red on proximal parts, sometimes inflorescence axis red, unbranched or with side branches obliquely arising from rosette or stem, 30–200 cm.

in a basal rosette and cauline, basal 8–30 × 0.5–3 cm, cauline 3.5–20 ×0.5–2.7 cm;

blade grayish green to dull green, very narrowly oblanceolate to narrowly oblanceolate or narrowly elliptic, margins flat, subentire or remotely dentate, teeth sometimes blunt, sometimes sinuate-dentate proximally;

bracts persistent.

in a basal rosette and cauline, basal 10–30 × 2–5 cm, cauline 5–22 ×(1–)1.5–5(–6) cm;

blade usually green to pale green, narrowly oblanceolate to oblanceolate, sometimes narrowly elliptic to elliptic distally, margins usually flat, rarely undulate, bluntly dentate, teeth widely spaced, sometimes sinuate-dentate proximally or lobed;

bracts persistent.

usually recurved with ascending tip distally, rarely suberect, unbranched.

erect, unbranched or with secondary branches just proximal to main one, internodes in fruit usually shorter than capsule.

opening near sunset;

buds erect, 3–5 mm diam., with free tips subterminal, spreading to erect, 2.5–4 mm;

floral tube 15–40 mm;

sepals green to yellow, flushed with red and dark red flecked or red-striped, 9–17 mm;

petals yellow to pale yellow, fading yellowish white to pale yellowish orange, very broadly obcordate, 7–20 mm;

filaments 6–15 mm, anthers 3–7 mm, pollen ca. 50% fertile;

style 20–45 mm, stigma surrounded by anthers at anthesis.

opening near sunset;

buds erect, 3.5–6 mm diam., with free tips terminal, erect or spreading, 1.5–3 mm;

floral tube (20–)25–40 mm;

sepals yellowish green, rarely flushed with red or red-striped, 12–22(–28) mm;

petals yellow to pale yellow, fading yellowish white and somewhat translucent, very broadly obcordate, 12–25(–30) mm;

filaments 8–15(–20) mm, anthers 3–6(–9) mm, pollen 50% fertile;

style 30–55 mm, stigma surrounded by anthers at anthesis.

erect or slightly spreading, usually rusty brown when dry, narrowly lanceoloid to lanceoloid, 15–40 × 4–8 mm, free tips of valves 0.5 mm.

erect or slightly spreading, dull green when dry, lanceoloid, 20–40 × 4–6 mm, free tips of valves 0.8–1.5 mm.

1.1–1.2 ×0.8–1 mm.

1–1.2 × 0.6–1.1 mm.

= 14.

= 14.