Flora of North America species comparison

sheathed with old leaf bases, slender, 0.6–0.9 cm diam.;

roots few, fibrous.

compact, dark brown, slender, 0.5–0.6 cm diam., covered with old leaf bases;

roots few, fibrous.

simple, solid, 1.5–3 dm.

simple, solid, slender, 0.25–2 dm.

basal with abaxial surface of blades deep glossy green on one side of fan, light yellow-green on other side, pink or red-tinged basally, strongly ribbed, 4–6 dm × 0.8–1 cm, rigid, margins not thickened;

cauline 3–6, imbricated, closely sheathing stem ca. 2/3 length, spreading distally, bractlike, blade inflated, often shorter than basal leaves.

basal with blade light green, pink or red-tinged basally, finely ribbed, linear-acute, 2.5–5 dm × 0.3–0.5 cm, somewhat glaucous, margins not thickened;

cauline 1–3, imbricated, blade bractlike, inflated.

simple, units 1–2-flowered;

spathes closed tightly around pedicel and ovary, lanceolate, 5.2–9 cm × 6–8 mm, subequal, herbaceous, margins scarious, apex acuminate.

usually 2–flowered;

spathes sometimes flushed pink or purple apically, lanceolate to linear-lanceolate, 5–10 cm × 3–7 mm, unequal, outer much shorter and narrower than inner, herbaceous, margins often scarious, apex acute.

perianth cream to buff-yellow;

floral tube 0.8–0.9 cm;

sepals with deeper yellow signal, veined with purple or brown, obovate-lanceolate, 6.5 × 2.5 cm, base gradually attenuate into wide claw;

petals narrowly oblanceolate, 7–9 × 0.8–2 cm, base gradually attenuate;

ovary nearly circular in cross section, 1.5–2.5 cm, base gradually attenuate into pedicel, apex abruptly acuminate into floral tube;

style 2.2–3 cm, crests spreading, yellow, not veined, 1.2 × 0.9–1.7 cm, margins toothed;

stigmas triangular or tongue-shaped, margins entire;

pedicel 3–6.2 cm.

perianth cream or very pale yellow, with deeper yellow or lavender veins;

floral tube linear, slender, 4.5–12 cm;

sepals with bluish tinge and veins, oblanceolate, 4.6–7 × 1–2 cm, base gradually attenuate;

petals lanceolate, 3–5.5 × 0.6–1.2 cm, base gradually attenuate, apex emarginate;

ovary 1–1.8 cm, base abruptly attenuate into pedicel (when present), apex gradually acuminate into floral tube;

style 2–3 cm, crests 1.5–2 cm, sometimes exceeding arms, apex narrowly pointed;

stigmas tongue-shaped, margins entire;

pedicel absent or 0.5–1 cm at anthesis.

nearly circular in cross section, tapering abruptly at each end, 2–2.5 × 1–1.5 cm.

sometimes on elongated pedicel, oblong, round in cross section, sharply beaked, 2–3 cm.

dark brown, irregular in shape, wrinkled.

buff, slightly compressed.

= 40.

= 40.