Flora of North America species comparison

2–5, wide-spreading, recurved to somewhat ascending, scattered along stem, gradually reduced to bracts distally;

blade lanceolate, oblong-elliptic, or oblong-obovate, 5–22 × 1.5–7 cm.

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.

lax to very dense.

rather lax.

resupinate, showy, lavender- to rose-purple, rarely white;

lateral sepals reflexed to somewhat spreading;

petals spatulate to broadly obovate or cuneate-oblong, margins dentate-lacerate to sparsely fringed;

lip descending to somewhat porrect, deeply 3-lobed, without basal thickening, 5–13 × 5–17 mm, distal margins of lobes fringed, sometimes deeply, lateral lobes often reflexed or slightly elevated above middle lobe, broadly to narrowly cuneate, middle lobe sometimes reflexed, broadly cuneate-flabellate, often emarginate to 2-fid;

spur slenderly cylindric to slightly clavate, 12–22 mm;

rostellum lobes nearly parallel, directed downward, short, rounded;

pollinaria nearly straight;

pollinia remaining enclosed within anther sacs;

viscidia suborbiculate to broadly elliptic;

ovary slender to stout, 9–16 mm.

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.

= 42.