Flora of North America species comparison

few, slender, fleshy.

scapose;

corm slender to stout, fleshy; sheathing bracts usually 2, partially cloaking stem.

blade elliptic to suborbiculate or ovate, often cordate, 10–65 × 12–52 mm.

produced in autumn, withering spring, solitary, arising from corm, plicate, leathery.

floral bracts lance-acuminate, 5–28 mm.

terminal, each with 1 flower, arising from corm;

floral bract with color of stem or sepals, reduced to prominent.

pink, magenta, or rarely white;

sepals and petals erect-spreading, linear-lanceolate to linear-oblong, 10–24 × 1.5–5 mm;

lip 13–23 × 4–13 mm, lamina shorter than to longer than apical horns, basal bristles sparse to extensive, brightly and contrastingly colored to dull and obscure.

solitary, resupinate, horizontal to slightly nodding, large, showy;

sepals and petals ascending to erect;

lip slipper-shaped, with basal orifice and 2 horns near apex, margin of lip dilated, forming bearded, apronlike lamina;

pollinarium solitary;

pollinia 4, flattened, superposed in 2 pairs flanking axis of pollinarium;

viscidia large, quadrangular;

stigma concave.

capsules.

erect, ellipsoid to lanceoloid, 2–3 × 1–1.5 cm.

= 28 [var. bulbosa].