Flora of North America species comparison

to 10 dm × 1–6(–8) cm, clumps to 20 dm diam.

without resinous odor;

rosette 15–55-leaved, 5–25 cm diam.;

blade whitish or light green, linear to triangular-lanceolate [-oblanceolate], laminar or semiterete, 5–25 × 0.6–3 cm, 2–8 mm thick, 2–5 times wider than thick, base 8–40 mm wide, surfaces sometimes farinose, not viscid, not oily.

cyme densely 2–5-branched and obpyramidal, or 15+-branched and cylindric, (branches scattered proximally);

branches simple or 1–3 times bifurcate;

cincinni 3–20-flowered, somewhat circinate, 1–10 cm;

floral shoots (reddish), 1–7 dm × 2–15 mm;

leaves 12–45, ascending, oblong, to 5 × 0.5–1.5 cm.

1–3(–6) mm.

petals widespreading or slightly reflexed from middle, connate 1.5–2.5 mm, white or rosy, triangular-ovate or elliptic-oblong, 7–11 × 2–3.5 mm, apex acute, corolla 14–23 mm diam.;

pistils connivent, suberect to ascending, 6–10 mm, (base tapering);

styles 2–4 mm.

ascending with adaxial margins 40–50º from vertical.

= 34, 68.