Flora of North America species comparison

sometimes tuberous.

tuberous, thick.

sparsely branched, 8–39 cm, scabridulous or rarely glabrescent.

unbranched or sparsely branched, arachnoid-villous.

blade linear-lanceolate, 1–10 × 0.15–0.8 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), firmly membranaceous, glaucous, glabrous.

2-ranked, narrowing toward shoot apex;

blade lanceolate-elliptic to ovate, 4–15 × 2–3.5 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), base cordate-clasping, sparsely pilose to densely arachnoid-villous.

terminal, solitary, or frequently with 1–3 axillary inflorescences from distal nodes;

bracts foliaceous.

terminal, 1–4 axillary, sessile in axils of distal reduced leaves, boat-shaped spathes absent.

distinctly pedicillate;

pedicels 0.8–1 cm, glandular-puberulent;

sepals frequently suffused with red, glaucous, 4–6 mm, glandular-puberulent;

petals distinct, bright blue to rose and purple, not clawed, 9–12 mm;

stamens free;

filaments bearded.

distinctly pedicillate;

pedicels 0.6–1.4 cm, densely arachnoid-villous;

sepals 6.5–8 mm, pilose to densely arachnoid-pubescent;

petals distinct, rose-purple to bluish, not clawed, 10–15 mm;

stamens free;

filaments bearded.

3–4 mm.

3.5–4 mm.

1.5–2 mm;

hilum much shorter than seed.

2 mm.

= 12, 24, 24+ (Mexico).