Flora of North America species comparison

pink, freely branching, producing extensive clumps, 2–3 cm diam., with fibrous remains of old leaves;

roots fleshy.

freely branching, producing dense clumps, slender, 0.5–0.7 cm diam., covered with bases of old leaves;

roots fibrous.

usually 1-branched, solid, 7–15 dm.

simple, solid, 2–3 dm.

basal deciduous, at first erect, then recurved, blade dark green, with prominent median thickening, 4–10 dm × 2–3 cm, slightly glaucous basally;

cauline equaling inflorescence unit.

basal with blade sometimes pink to red basally, finely ribbed, linear, 3–3.5 dm × 0.5 cm, subglaucous, margins not thickened, apex acute;

cauline 1–3, imbricated, mostly free, bractlike, blade linear-lanceolate, inflated.

4–12-flowered;

spathes green with brown margins, outer spathe strongly keeled, inner without keel, 6–9 cm, subequal, margins not scarious.

(1–)2-flowered;

spathes often flushed with pink or red, lanceolate, 4–8 cm × 5–10 mm, subequal or unequal and inner somewhat longer than outer, rigid, apex acuminate.

perianth bright yellow;

floral tube 0.6–0.8 cm, with no constriction into ovary;

sepals bright yellow or cream colored, lanceolate to ovate or suborbiculate, 5–7.5 × 3–4 cm, base abruptly attenuate, claw ca. 1/2 length of limb, signal a darker yellow basal patch limited by short, brown lines;

petals without veining, lanceolate to spatulate, 2–3 cm;

ovary triangular in cross section with concave sides and narrow groove at each angle, 1.5 cm;

style keeled, 3–4 cm, crests spreading, 1–1.2 cm, laciniate at apex;

stigmas rounded with prominent tongue;

pedicel 2.5–7 cm.

perianth pale cream with distinct veins of lavender, reddish brown, or brown, margins often distinctly crisped;

floral tube funnelform, 3–5.8 cm, slender, then expanding abruptly to base of flower;

sepals spreading outward from base and remaining in horizontal position for entire length, narrowly lanceolate to oblanceolate, 4–6.5 × 1.1–1.8 cm, base attenuate into long claw;

petals somewhat spreading, not strictly erect, 4.5–6.5 × 0.6–1.4 cm, base gradually attenuate;

ovary 1–2 cm, gradually tapering to each end;

style 2–3 cm, crests linear, undulate near tip, 1–2.5 cm;

stigmas triangular;

pedicel 0.8–1.8 cm at anthesis.

prismatic to oblong-ovoid, obscurely 3-angled with obvious groove at each angle, 3.5–6 cm, beak 5 mm.

oblong, round in cross section, 3–4 cm, base abruptly attenuate into pedicel, apex gradually acuminate into distinct beak apically.

D-shaped, flattened, 6–7 mm, corky, lustrous.

grayish brown, pyriform to oval, 3 mm, wrinkled.

= 34.

= 40.