Cephalanthera

Richard

De Orchid. Eur., 29. 1817.

Common names: Helleborine
Etymology: Greek kephale, head, and anthera, anther
Treatment appears in FNA Volume 26. Treatment on page 583. Mentioned on page 494.

Herbs, perennial, achlorophyllous. Roots fleshy, slender, scattered along slender rhizome. Stems leafy. Leaves several, alternate; blade spreading, plicate, or reduced to appressed sheathing bracts. Inflorescences terminal, solitary spikes, lax; floral bracts often foliaceous, large to minute, scarious distally. Flowers few–many, resupinate, sessile, showy; lip white with yellow markings, divided by median constriction, saccate, distal end with fleshy parallel adaxial lamellae; pollinaria absent; pollinia 2; viscidia absent. Fruits capsules.

Distribution

Widespread, w North America, Eurasia

Discussion

Species ca. 15 (1 in the flora).

Selected References

None.

... more about "Cephalanthera"
self-pollination +
Charles J. Sheviak +  and Paul M. Catling +
Richard +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
reduced +
Helleborine +
Widespread +, w North America +  and Eurasia +
Greek kephale, head, and anthera, anther +
large +  and minute +
lateral +  and terminal +
petiolate +, sessile +  and simple +
cauline +  and basal +
reduced +
divided +
larger +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
De Orchid. Eur., +
aerial +  and subterranean +
slender +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Cephalanthera +
Orchidaceae (tribe Neottieae) subtribe Limodorinae +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +