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FNA | Family List | FNA Vol. 26 | Orchidaceae | Corallorhiza

1b. Corallorhiza striata var. vreelandii (Rydberg) L. O. Williams, Ann. Missouri Bot. Gard. 21: 343. 1934 (as Corallorrhiza).

Corallorhiza vreelandii Rydberg, Bull. Torrey Bot. Club 28: 271. 1901; C. bigelovii S. Watson; C. ochroleuca Rydberg; C. striata var. flavida Todsen & T. A. Todsen

Racemes 10–44 cm. Flowers 2–28, conspicuous; sepals and petals often connivent around column, nodding; sepals 5–11 mm; lateral sepals often broadened at base, nearly auriculate; petals 5–11 mm; lip 2–7 × 1.5–4.5 mm; column 1.5–4 mm. Capsules 11–23 mm.

Flowering spring--summer. Coniferous woods; 400--2600 m; Que.; Ariz., Calif., Colo., Idaho, Nev., N.Mex., Oreg., S.Dak., Utah, Wash., Wyo.; Mexico.

The two varieties of Corallorhiza striata intergrade in California and Oregon, although they are generally distinct. Small specimens from Quebec will key to this variety; they are not thought to be closely related to populations from the southwest.


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