Flora of North America species comparison

several–many, ascending, unbranched or branched, 25–50 cm.

sometimes with lateral branches arising obliquely from rosette, 20–70(–100) cm.

in a basal rosette and cauline, basal (1–)2.5–6.5 × 0.6–2.3 cm, blade narrowly elliptic to narrowly ovate or ovate, margins weakly serrulate to sinuate-pinnatifid;

cauline 1–5.5 × 0.6–2 cm, blade narrowly elliptic to narrowly ovate, margins weakly serrulate.

in a basal rosette and cauline, basal 5–16 × 0.5–1.5 cm, cauline 2–12 × 0.5–2 cm;

blade narrowly oblanceolate, gradually narrowly elliptic to narrowly lanceolate distally, margins lobed to remotely dentate or subentire;

bracts slightly longer than capsule they subtend.

erect.

dense, without lateral branches, mature buds usually not overtopping spike apex.

1–3 opening per day near sunrise;

buds with free tips 0–1 mm;

floral tube 15–26 mm;

sepals 15–23 mm;

petals rose purple, fading darker, 12–25(–30) mm;

filaments 9–13 mm, anthers 3.5–6mm, pollen 85–100% fertile;

style 26–36 mm, stigma exserted beyond anthers at anthesis.

2–several per spike opening per day near sunset;

buds erect, with free tips erect, 0.5–2 mm;

floral tube slightly curved upward to± straight, 15–40 mm;

sepals 6–13 mm;

petals yellow, broadly elliptic to rhombic-ovate, 5–16 mm;

filaments 4–18 mm, anthers 2–3.5 mm, pollen ca. 50% fertile;

style 20–40 mm, stigma surrounded by anthers at anthesis.

clavate or narrowly obovoid, 9–15 × 3.5–6 mm, apex attenuate to a sterile beak, valve midrib prominent in distal part, proximal stipe 7–12(–28) mm, gradually taperingto base;

sessile.

narrowly lanceoloid, 10–20 ×2–3 mm.

narrowly obovoid, 0.8–1 × 0.2–0.4 mm.

brown, sometimes flecked with dark red spots, ellipsoid, 1–1.9 × 0.4–0.8 mm.

= 14.

= 14.