Flora of North America species comparison

2(–3), spreading to ascending, on basal portion of stem, abruptly reduced to bracts distally;

blade lanceolate to elliptic, 12–23 × 1–3.2 cm.

2, in subequal basal pair lying on ground;

bracts (very rarely, 0–)1–6, scattered along stem;

blade broadly elliptic, orbiculate, or oblate, 7–24 × 5–19 cm.

rather lax.

lax.

resupinate, showy, white;

lateral sepals reflexed;

petals oblong, margins entire;

lip porrect, spatulate to lance-spatulate, without basal thickening, 10–15 × 2.5–4 mm, margins slightly lacerate to subentire;

spur slenderly cylindric, scarcely clavate, 35–60 mm;

rostellum lobes directed forward, spreading, angular;

rostellum lobes slenderly curving forward, slightly spreading, angular-elongate, long;

pollinaria with stalks curved forward;

pollinia remaining enclosed in anther sacs;

viscidia orbiculate;

ovary slender, ca.16–22 mm.

resupinate, rather showy;

calyx mostly greenish white;

corolla mostly white;

lateral sepals reflexed to somewhat spreading;

petals lanceolate-falcate, margins entire;

lip descending to somewhat reflexed, linear-oblong to linear-lanceolate, without basal thickening, 10–23 × 1–2.5 mm, margins entire;

spur slenderly clavate, 28–46 mm;

rostellum lobes directed strongly forward, wide-spreading, angular;

pollinaria nearly straight, (4.6–)4.7–6.8 mm;

pollinia remaining enclosed in anther sacs;

viscidia orbiculate;

ovary slender to rather stout, mostly 16–29 mm.