Flora of North America species comparison

ascending to decumbent, unbranched or branched, new rosettes not forming at branch apex, 10–40 cm.

ascending or decumbent, usually branched from near base, sometimes new rosettes forming at branch apex when buried in drifting sand, 10–60 cm.

blade oblong to oblanceolate or spatulate, margins usually conspicuously dentate to pinnatifid, rarely some or all entire or weakly dentate.

in a basal rosette and cauline, rosette sometimes weakly developed or absent, at least during flowering, 1–13 × 0.5–2 cm;

petiole 0–2(–4.5) cm;

blade oblong to oblanceolate or spatulate, sometimes rhombic-ovate, margins entire or weakly to conspicuously dentate or pinnatifid.

floral tube 25–35 mm;

sepals 15–30 mm;

petals 25–35(–40) mm.

1–several opening per day near sunset;

buds nodding, weakly quadrangular, with free tips 0–0.8 mm;

floral tube 20–40 mm;

sepals 15–30 mm, not spotted;

petals white, fading pink to deep pink, broadly obcordate, 15–35(–40) mm;

filaments 10–17 mm, anthers 5–10 mm;

style 30–60 mm, stigma exserted beyond anthers at anthesis.

20–80 mm.

spreading to ascending, woody in age, often curved upward, cylindrical, obtusely 4-angled, tapering slightly from base to apex, 20–80 × 2–3.5 mm;

sessile.

numerous, in 1 row per locule, olive-brown or yellowish brown to black, sometimes with minute purple dots, obovoid, 1–2.5 mm.

= 14.