Flora of North America species comparison

freely branching, forming compact tufts, slender, 0.3–0.4 cm diam., covered with remains of old leaves;

roots fibrous.

many-branched, not creeping, forming dense clumps, slender, 0.3–0.8 cm diam.;

roots fibrous.

simple, solid, slender, 2–2.5 dm.

simple, somewhat angular, solid, 1.5–2.7 dm.

basal evergreen, abundant, blade dark, shining green on one side, lighter green on the other, pink to deep purple basally, 3.5 dm × 0.2–0.4 cm, longer than flowering stem, margins not thickened;

cauline 2–4, sheathing stem for about 2/3 length, foliaceous, spreading, blade not inflated, 4–9 cm.

basal somewhat lax, overtopping stem, blade light green, paling to pink or straw color basally, finely ribbed, linear-acute to linear, ensiform, 4.5 dm × 0.5 cm, margins not thickened;

cauline 1–3, sheathing for 1/2 length then spreading, foliaceous, blade linear-lanceolate, not inflated, narrow, reduced, to 15 cm.

1(–2)-flowered;

spathes closely enclosing ovary and floral tube, broadly lanceolate to ovate, 3.3–6 cm × 5–7 mm, herbaceous, margins scarious.

1–2-flowered;

spathes distant basally by 3 cm in some cases, keeled, linear-lanceolate to lanceolate-acuminate, 5–7 cm × 2–4 mm, unequal, outer longer than inner, herbaceous, margins scarious.

perianth usually dark golden yellow, cream, pink, lavender, or purple, heavily veined purple or brown;

floral tube 1.5–3 cm;

sepals usually yellow with heavy veining, broadly oblanceolate, 4.5–6 × 1.7–3 cm, base gradually attenuate, margins often wavy;

petals same color as sepals with lighter veining, narrowly oblanceolate, 4–5.7 × 0.9–1.6 cm, base gradually attenuate;

ovary roundly triangular in cross section, 1.5–1.8 cm;

style 2–2.6 cm, crests overlapping, subquadrate to semiovate, 0.9–1.4 cm, margins irregularly toothed;

stigmas triangular, margins entire;

pedicel 0.4–1.3 cm at anthesis.

perianth color variable, purple, pink, lavender, cream, yellow, or rarely white;

floral tube funnelform, 0.6–2 cm;

sepals veined with color of limb, obovate, 5.8–6 × 1.6–2 cm, base gradually attenuate into white claw with slight yellow ridge, apex emarginate to bluntly rounded;

petals same color as sepals, not prominently veined, lanceolate to oblanceolate, 5 × 1 cm;

ovary 1–2 cm, slightly wider distally, base very gradually attenuate;

style 2.2–3.2 cm, crests subquadrate, 8–12 mm, margins crenate or incised;

stigmas triangular, margins entire;

pedicel 1–5 cm, longer in second flower (when present) than in first.

oblong-oval, circular in cross section, 2.5 × 1.2 cm.

oblong, triangular in cross section, prominently ribbed, beaked, 3–5 cm.

in 2 rows per locule, dark brown, oval, sharply angled, 3 mm, wrinkled, pitted.

brown, D-shaped to irregular, wrinkled.

= 40.