Flora of North America species comparison

creeping, not producing dense clumps, covered with remains of old leaves, slender to moderately thick, 0.5–0.9 cm diam.;

roots fibrous.

superficial or only slightly buried in peaty soil, cordlike portions usually 1-branched, 40 cm × 2–5 mm, bearing scalelike leaves at nodes;

nodal roots absent.

simple, solid, 0.5–3 dm.

simple or 1–2-branched, 3–8 dm.

basal deciduous, blade pale green, not pink basally, 2–4.5 dm × 0.2–0.6(–1) cm, sometimes glaucous, margins not thickened;

cauline usually 1–several, spreading, sheathing for about 1/2 length, foliaceous, blade not inflated.

basal with blade slightly ribbed, 3–6 dm × 0.2–0.5 cm;

cauline 1–4, erect.

1–2(–3)-flowered;

spathes divergent, separated by 1.5–4 cm, linear to linear-lanceolate, unequal, outer 5–11 cm × 4–7 mm, inner 5–6 cm × 2–3 mm, herbaceous, apex acute.

1–3-flowered, branch units 1–2-flowered;

spathes pale brown, narrowly lanceolate, 2–4 cm, scarious or partially membranaceous.

perianth lavender, cream, or pale to deep yellow;

floral tube funnelform, 0.5–1(–1.5) cm;

sepals oblanceolate, 4–7 × 1.4–2 cm, base gradually attenuate;

petals narrowly oblanceolate, 3.5–6 × 0.5–1.1 cm, widest at about 1/2 their length, base abruptly attenuate, claw 1–2 mm wide;

ovary nearly cylindrical, 1–2 cm;

style 1.6–3 cm, crests overlapping, obtusely angled, 0.5–1.1 cm;

stigmas acutely triangular, margins entire;

pedicel 0.5–2.5 cm at anthesis, lengthening to 3.5–7.5 cm at maturity.

perianth pale blue or blue-violet;

floral tube 0.2–0.3 cm;

sepals pale violet, veined deep violet basally, ovate, 4–5 × 1.3–2 cm, base abruptly attenuate;

petals lavender, oblanceolate, 3.5–4.5 × 0.7–1.5 cm;

ovary trigonal, sharply angled;

style arched, narrow, 2–3 cm, crests divergent, quadrate, 0.5–0.7 cm, margins serrate;

stigmas sharply triangular;

pedicel somewhat flattened, 3–7 cm, exserted from spathe.

oblong-oval, 3-angled, tapering abruptly at either end, 2–3 cm.

sharply 3-angled, almost winged, 3–4 × 1.2–1.4 cm, concave faces 6–14 mm wide.

brown, irregularly D-shaped, wrinkled.

in 1 row per locule, buff to dark brown, pyriform, with convex sides, 3–4 mm, smooth.

= 40.

= 42.