Flora of North America species comparison

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

many, ascending to erect, branched from base, 15–30(–40) cm.

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.

2.5–3.5 × 0.1–0.2 cm, rarely fascicles of small leaves present in non-flowering axils;

petiole 0–0.1 cm;

blade linear to narrowly linear-lanceolate, folded lengthwise, base long-attenuate, margins subentire or serrulate, apex acute.

relatively long, dense.

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.

opening near sunrise;

buds with free tips 0–0.5 mm;

floral tube 7 mm;

sepals 4–6 mm, midribs keeled;

petals yellow, fading yellow to orange, 15–20 mm; antisepalous filaments 5 mm, antipetalous filaments 2 mm, anthers 3–4 mm, pollen 90–100% fertile;

style 10 mm, stigma discoid to quadrangular, exserted beyond anthers at anthesis.

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.

18–20 × 2 mm, hard, dehiscent 1/2 their length, often tardily dehiscent throughout their length.

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

oblanceoloid, 1–1.8 mm, sharply angled, apex truncate.

= 14.

= 14.