Flora of North America species comparison

± strongly thickened, base not bulbous.

racemes lax to dense, 8–35 × 1–3 cm.

3–18, inconspicuous;

perianth open;

sepals spreading, yellowish to green, lanceolate, 1-veined, 3.5–7 mm;

lateral sepals often strongly recurved;

petals arching over and clasping column, light yellow-green, often spotted with purple, lanceolate, 1-veined, 3–5.5 mm;

lip white, often purple spotted, 2.5–4 × 1.5–3 mm, thin, with 2 small lateral lobes or teeth, middle lobe oblong, often somewhat dilated near apex, with 2 distinct basal lamellae;

column curved toward lip, yellowish green, sometimes spotted purple basally, with shallow adaxial channel, 2–3.3 mm;

ovary 2.1–6.5 mm;

mentum inconspicuous.

ellipsoid, 4.5–15 × 4.3–6 mm.

= 42.