Flora of North America species comparison

1–3, ascending to spreading, rather abruptly or gradually reduced to bracts distally;

blade lance-oblong to linear-lanceolate, 4.5–32 × 1–3 cm.

2–4, spreading to ascending, gradually to somewhat abruptly reduced to bracts distally;

blade lanceolate to lance-elliptic, 5–40 × 0.6–6 cm.

dense.

rather dense.

resupinate, showy, pale yellow-orange to pale orange;

dorsal sepal entire or rarely apically dentate;

lateral sepals spreading;

petals elliptic to linear-oblong, margins entire;

lip descending, ovate-elliptic to obovate or oblong, 3–5 × 1.5–4 mm, margins eroded to lacerate or rarely entire, with basal pair of fleshy ridges on adaxial surface;

spur tapering from broad base to slender tube, 5–10 mm;

rostellum lobes curved downward, short, rounded;

pollinaria essentially straight; large pollinia protruding forward;

viscidia orbiculate to suborbiculate;

ovary slender to somewhat stout, 5–11 mm.

resupinate, showy, orange;

dorsal sepal entire or rarely emarginate;

lateral sepals reflexed;

petals linear to linear-cuneate, margins apically fringed;

lip porrect to descending, oblong to broadly ovate-spatulate, without basal thickening, 8–19 × 4–18 mm, margins deeply filiform-fringed;

spur slenderly cylindric, rarely slightly clavate, 20–35 mm;

rostellum lobes scarcely to markedly curving forward, slightly spreading, angular-elongate;

pollinaria with stalks nearly straight to curved forward;

pollinia remaining enclosed in anther sacs;

viscidia orbiculate;

ovary slender, 12–27 mm.