Show Lower Taxa
Difference between revisions of "Calypso bulbosa"
in Z. Thompson, Nat. Hist. Vermont 1: 200. 1842.
Illustrated
Basionym: Cypripedium bulbosum Linnaeus Sp. Pl. 2: 951. 1753
Synonyms: Cytherea bulbosa (Linnaeus) House
Treatment appears in FNA Volume 26. Treatment on page 623.
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|subfamily=Orchidaceae subfam. Epidendroideae | |subfamily=Orchidaceae subfam. Epidendroideae | ||
|tribe=Orchidaceae tribe Calypsoeae | |tribe=Orchidaceae tribe Calypsoeae | ||
Latest revision as of 22:12, 5 November 2020
Plants 4.5–22 cm. Leaves: blade elliptic to suborbiculate or ovate, often cordate, 10–65 × 12–52 mm. Inflorescences: floral bracts lance-acuminate, 5–28 mm. Flowers pink, magenta, or rarely white; sepals and petals erect-spreading, linear-lanceolate to linear-oblong, 10–24 × 1.5–5 mm; lip 13–23 × 4–13 mm, lamina shorter than to longer than apical horns, basal bristles sparse to extensive, brightly and contrastingly colored to dull and obscure. Capsules erect, ellipsoid to lanceoloid, 2–3 × 1–1.5 cm. 2n = 28 [var. bulbosa].
Distribution
Circumpolar, North America, Europe, Asia (China, Japan, Russia).
Discussion
Varieties 3 (2 in the flora).
Selected References
None.
Key
| 1 | Bristles of lip yellow, extensive; lamina white or suffused with pink, usually equaling or longer than horns. | Calypso bulbosa var. americana |
| 1 | Bristles of lip whitish or color of lamina, sparse; lamina commonly with reddish markings on dull white, usually shorter than horns. | Calypso bulbosa var. occidentalis |