Flora of North America species comparison

sometimes with lateral branches arisingobliquely from rosette, 30–80 cm.

in a basal rosette and cauline, basal 7–17 × 0.5–1.5 cm, cauline 2–8 × 0.5–1.5 cm;

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

bracts slightly longer than capsule they subtend.

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

1 or 2 per spike opening per day near sunset;

buds erect, with free tips erect to spreading, 0.3–0.8 mm;

floral tube slightly curved upward to straight, 23–37 mm;

sepals 7–13 mm;

petals yellow, broadly elliptic to rhombic-ovate, 8–17 mm;

filaments 6–10 mm, anthers 1.5–4 mm, pollen ca. 50% fertile;

style 30–45 mm, stigma surrounded by anthers at anthesis.

narrowly lanceoloid, 10–25 ×2–3 mm.

brown, sometimes flecked with darkred spots, ellipsoid, 1–1.3 × 0.5–0.7 mm.

= 14.