Flora of North America species comparison

not brownish-tomentose.

tuberous, thick.

unbranched or sparsely branched, 2–10 cm;

internodes pilose or villous.

unbranched or sparsely branched, arachnoid-villous.

spirally arranged, sessile;

blade dull green, linear-lanceolate, 5–33 × 0.3–1.2 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), margins sparsely ciliate, apex acute to acuminate, pilose.

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;

bracts foliaceous, ascending, pilose, margins sparsely ciliate.

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

distinctly pedicillate;

pedicels (2–)4–6 cm, pilose with glandular or glandular and eglandular hairs;

sepals suffused with pink to purple, 5–11 mm, pilose with glandular, eglandular hairs, glandular hairs numerous, conspicuous, longer hairs 1.5–6 mm;

petals distinct, rose to blue or purplish, broadly ovate, not clawed, 8–16 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.

4–6 mm.

3.5–4 mm.

2–3 mm;

hilum as long as seed.

2 mm.

= 24.

= 12, 24, 24+ (Mexico).