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–)2–3(–4), spreading to ascending, gradually to rather abruptly reduced to bracts distally;

blade lanceolate to elliptic-oblong, 5–35 × 1–7 cm.

moderately dense.

lax to 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, inconspicuous, yellowish green;

lateral sepals porrect to reflexed;

petals oblong-orbiculate to ovate, apex somewhat crenulate;

lip descending to commonly reflexed, 2–6 × 1.8–5 mm, base auriculate, with prominent central tubercle, distal margin entire to slightly crenulate;

spur cylindric to strongly clavate, 4–8(–11) mm, apex rarely 2-lobed;

rostellum lobes mostly parallel to slightly diverging, directed downward, minute, obscure;

pollinia remaining enclosed in anther sacs;

viscidia mostly quadrangular, oblong-quadrangular, orbiculate, or broadly asymmetric, commonly canaliculate to nearly cylindric and difficult to assess;

ovary rather slender to stout, mostly 8–10 × 2 mm.

= 42.