Corallorhiza striata

Stem ± strongly thickened, base not bulbous. Inflorescences: racemes lax to dense, 10–67 × 1.2–4.5 cm. Flowers 2–35, chasmogamous, conspicuous to showy; perianth open and spreading to connivent; sepals and petals salmon reddish purple with darker veins or pure yellow, lanceolate to oblanceolate, 3–5-veined; lip obovate, unlobed, 3.2–16.5 × 2–6.2 mm, thickened, margins deep red with white or yellow at base, or pure yellow, upturned, giving boat-shaped appearance especially toward apex; callus formed by partial connation of 2 basal lamellae, less than 1/3 length of lip; column pure yellow or yellow spotted with red, curved toward lip, 3–6 mm, base without auricles or ridges; ovary 3–8.5 mm; mentum absent. Capsules ellipsoid, 11–30 × 5–10 mm.

Distribution

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North America, Mexico.

Discussion

Varieties 3 (2 in the flora).

Selected References

None.

Lower Taxa

Corallorhiza striata var. striata, Corallorhiza striata var. vreelandii

Key

1	Lip 7–16.5 mm; column 4–6.5 mm; sepals and petals open, spreading.	Corallorhiza striata var. striata
1	Lip 2–7 mm; column 1.5–4 mm; sepals and petals connivent around column.	Corallorhiza striata var. vreelandii