Flora of North America species comparison

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

roots fleshy.

compact, greenish brown or sometimes red-tinged, many-branched, with ringlike scars of old leaves, 1.5–2 cm diam.

usually 1-branched, solid, 7–15 dm.

simple or sometimes 1–2-branched, solid, 3–9 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 arching distally, blade bright green, lightly ribbed, linear-ensiform, 6–10 dm × 1.5–2.5 cm;

cauline subtending branches, blade 4.5–6 dm.

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 unequal, outer green, 10–12 cm, herbaceous, inner 6–8 cm, partly scarious.

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 copper colored or reddish brown (yellow in forma fulvaurea);

floral tube hollow to ovary, 2–2.5 cm;

sepals widely spreading or arching downward, obovate, with 1–3 prominent veins, 4.5–5.5 cm, glabrous, often with lighter yellow basal signal;

petals spreading or declining with sepals, 4–5 × 1.5–2 cm, base gradually attenuate, apex deeply emarginate;

ovary green, hexagonal, 1.5–1.7 cm;

style convex, not keeled, 1.8–2 cm, crests reflexed, rounded-triangular, margins shallowly toothed;

stigmas 2-lobed, lobes pointed, margins entire;

pedicel 2–4 cm.

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

remaining green even after seeds mature, oblong-elliptic, hexagonal in cross section, with 6 equally spaced ribs, short beak, 4.5–8 × 2.5 cm.

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

in 2 rows per locule, irregular, flattened, 10–15 mm, corky.

= 34.

= 42.