Flora of North America species comparison

tuberous, thick.

unbranched or sparsely branched, arachnoid-villous.

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.

2-ranked;

blade variegated, abaxially reddish purple, adaxially striped green and white, lanceolate-elliptic to ovate-elliptic, 3–9 × 1.5–3 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), base oblique, cuneate, apex acute to acuminate.

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

terminal, consisting of pairs of sessile cymes enclosed in sheaths of spathaceous bracts, pedunculate; spathaceous bracts foliaceous, reduced.

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.

subsessile;

sepals basally connate, 4–5 mm;

petals pink, clawed, claws basally connate forming tube;

stamens epipetalous;

filaments bearded.

3.5–4 mm.

3-locular;

locules 2-seeded.

2 mm.

= 12, 24, 24+ (Mexico).