Flora of North America species comparison

1(–2), on basal half of stem, ascending to spreading, usually abruptly reduced to bracts distally;

blade oblanceolate to oblong, linear-oblong, or elliptic, 3–19 × 0.8–3.5 cm.

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.

moderately dense.

dense.

resupinate, often incompletely so and held at angle, not showy, rather inconspicuous pale green to dull yellowish green;

lateral sepals porrect;

petals ovate to obovate;

lip oblong, obscurely 3-lobed, without basal thickening, 3–7 × 3–4 mm, margins sometimes dentate-lacerate, apex truncate;

spur clavate, 7–13 mm;

rostellum lobes directed downward, very short, truncate;

pollinaria straight or slightly curved laterally;

pollinia fragmenting, pollen masses trailing down onto stigma;

viscidia linear to linear lanceolate;

ovary rather stout, 6–11 mm.

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.

= 42.