Flora of North America species comparison

many-branched, producing dense clumps, compact, slender, ca. 0.6 cm diam., base covered with remains of old leaves;

roots fibrous.

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

roots fibrous.

simple, solid, 2–4 dm.

simple, solid, 2–3 dm.

basal with blade gray-green, usually brilliantly colored basally, drying to unusual gray-green, veins fairly prominent, to 4 dm × 0.7–0.8 cm, often quite glaucous, margins not thickened;

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

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.

2-flowered;

spathes opposite, connivent, often flushed red basally, broadly lanceolate, 5–9 cm × 6–11 mm, subequal.

(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 pale creamy yellow with gold or gray veins;

floral tube funnelform, 3–6.2 cm, spreading apically to form wide throat;

sepals horizontally spreading, claw with deep yellow median line, oblanceolate to spatulate, 4.5–7 × 1–2 cm, base gradually attenuate into broad claw;

petals narrowly oblanceolate, 4.3–6 × 0.6–1.4 cm, base gradually attenuate into narrow claw;

ovary elliptical, nearly circular in cross section, 1.5–2.3 cm;

style 2.2–3 cm, crests divergent, linear to narrowly oblong, 1–1.7 cm;

stigmas triangular, margins entire;

pedicel 0.9–2.2 cm at anthesis.

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.

oblong, roundly trigonal, distinctly beaked, 2.5–3.5 cm.

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

dark brown, wrinkled.

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

= 40.

= 40.