Flora of North America species comparison

2–6, wide-spreading and recurved to somewhat ascending, scattered along stem, gradually reduced to bracts distally;

blade lanceolate, elliptic, oblong-elliptic, or oblong-obovate, 13–24 × 2.5–9 cm.

(1–)2(–4), spreading, subopposite toward base of stem;

bracts (0–)1(–2) distally;

blade elliptic, lanceolate, to suborbiculate, 2–9 × 0.9–4 cm.

lax to rather dense.

rather lax to dense.

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

lateral sepals spreading to somewhat reflexed;

petals ovate, oblong, elliptic-oblong, or oblong-obovate, margins crenate to dentate-lacerate, sometimes nearly entire;

lip descending to somewhat porrect, deeply 3-lobed, without basal thickening, 10–25 × 14–26 mm, distal margins of lobes fringed, usually deeply, lateral lobes sometimes perpendicular to middle lobe, lateral lobes cuneate, often broadly so, middle lobe broadly cuneate-flabellate, often emarginate to 2-fid;

spur clavate, 15–35 mm;

rostellum lobes directed forward, spreading, angular;

pollinaria nearly straight;

pollinia remaining enclosed in anther sacs;

viscidia orbiculate;

ovary slender to stout, 12–25 mm.

incompletely resupinate, inconspicuous, greenish;

lateral sepals porrect;

petals broadly ovate, margins entire;

lip projecting forward, concave, orbiculate, ovate, or elliptic, without basal thickening, 1.5–2.5 × 1.2–2 mm, margins entire;

spur stoutly cylindric to saccate, obtuse, 0.7–1.25 mm;

rostellum lobes spreading, directed downward, minute, obscure;

pollinaria straight;

pollinia evidently remaining enclosed in anther sacs;

viscidia oblong to suborbiculate-quadrangular;

ovary rather stout, mostly 2–4 mm.

= 42.

= 42.