Flora of North America species comparison

tuberous, thick.

(1.5–)2–4 mm thick, fleshy.

unbranched or sparsely branched, arachnoid-villous.

5–35 cm;

internodes glabrous or occasionally distal internodes sparsely puberulent.

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.

spirally arranged, sessile;

blade linear-lanceolate, 13–37 × 0.4–2.5 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), apex acuminate, glabrous or occasionally puberulent.

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

terminal and (rarely) axillary;

bracts foliaceous, well developed, not saccate, sparsely to densely pilose.

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.

distinctly pedicillate;

pedicels 1.2–3.5 cm, eglandular-pilose or puberulent;

sepals ± inflated, 7–16 mm, uniformly eglandular-pilose;

petals distinct, blue to purple, occasionally rose or white, broadly ovate, not clawed, 1.2–2 cm;

stamens free;

filaments bearded.

3.5–4 mm.

4–7 mm.

2 mm.

2–3 mm.

= 12, 24, 24+ (Mexico).

= 12, 24.