Flora of North America species comparison

erect, green or flushed with red on proximal parts, sometimes inflorescence axis red, usually withside branches obliquely arising from rosette and secondary branches from main stem, 50–150 cm.

erect, unbranched or many-branched distally, (20–)30–200(–300) cm.

in a basal rosette and cauline, basal 13–30 × 3–5 cm, cauline 5–15 × 2.5–4 cm;

blade dark to bright green, white- or red-veined, narrowly oblanceolate to oblanceolate, sometimes narrowly elliptic to lanceolate distally, margins usually conspicuously crinkled, sometimes undulate, bluntly dentate, teeth widely spaced, sometimes sinuate-dentate proximally or lobed;

bracts persistent.

in a basal rosette and cauline, basal 4–15 × 1.5–3 cm, petiole 0–1.8 cm, blade broadly oblanceolate, margins sinuate-dentate to dentate;

cauline 2–13 × 0.5–5 cm, petiole 0–2 cm, blade narrowly elliptic to narrowly ovate, margins sinuate-dentate to dentate.

erect, unbranched.

relatively long, dense.

opening near sunset;

buds erect, 7–9 mm diam., with free tips terminal, erect to spreading, 5–8 mm;

floral tube 35–50 mm;

sepals yellowish green, usually flushed with red or red-striped, sometimes very dark red throughout, 28–45 mm;

petals yellow to pale yellow, fading yellowish white and somewhat translucent, very broadly obcordate, 35–50 mm;

filaments 17–25 mm, anthers 10–12 mm, pollen ca. 50% fertile;

style 50–80 mm, stigma exserted beyond anthers at anthesis.

4-merous, nearly actinomorphic, opening near sunset;

floral tube 1.5–5 mm;

sepals 2–3.5 mm;

petals white, fading pale to dark pink, slightly unequal, oblong-obovate to elliptic-oblanceolate, 1.5–3 mm, abruptly clawed;

filaments 1.5–3 mm, anthers 0.5–1 mm, pollen 85–100% fertile;

style 3–9 mm, stigma surrounded by anthers at anthesis.

erect or slightly spreading, dull green when dry, lanceoloid, 20–35 × 5–6 mm, free tips of valves 0.8–1.5 mm.

fusiform, terete, weakly angled in distal 1/3, angles becoming broad and rounded in proximal part, 5–11 × 1.5–3 mm, tapering abruptly toward base;

sessile.

1.3–2 ×1–1.5 mm, ca. 50% abortive.

3 or 4, reddish brown, 2–3 × 1–1.5 mm.

= 14.

= 14.