Cypripedium calceolus L.

Cypripedium calceolus L., Sp. Pl. 2: 951 (1753).

Cypripedium calceolus L., Mihaela Balogh

Family:

Orchidaceae.

Synonym Name: 

Calceolus alternifolius St.-Lag.

Calceolus marianus Crantz

Cypripedilon marianus (Crantz) Rouy

Cypripedium atsmori C.Morren

Cypripedium boreale Salisb.

Cypripedium calceolus var. bellum Chmiel

Cypripedium cruciatum Dulac

Cypripedium ferrugineum Gray

Cypripedium microsaccos Kraenzl.

English Name:

The Limestone Loving Cypripedium

Chinese name:

Shao Lan - 杓兰 

Description: 

Plant arising from a rhizome with a fascicle of numerous fibrous roots, 15-40 cm high; several to many stems may arise from the same rhizome. Leaves 3-5 (-6), ovate, plicate, 6-15 cm long and 3-8 cm wide; pubescent. Flowers 1 or rarely 2, each subtended by a ovate to ovate-lanceolate, green foliaceous bract 3-7 cm long by 0.6-3 cm wide. Sepals apparently two (the result of the fusion of the two lateral sepals behind the labellum), madder-purple or dark reddish-brown; dorsal sepal ovate, 3-5 cm long and 1.5-3.5 cm wide; lateral sepals united and similar to dorsal sepal but typically spirally twisted, tip typically divided. Petals colored as sepals, lanceolate to linear-lanceolate, 2.5-5 cm long and typically less than 0.6 cm wide; petals usually spirally twisted. Labellum pouch-shaped, inflated, obovate, 1.5-3 cm long, opening above with inrolled edges; yellow, streaked or spotted inside and at the opening with madder-purple.

Distribution:

Great Britain, Norway, Sweden, Finland, Denmark, Beligium, Germany, Poland, Austria, Czechloslavakia, Hungary, Switzerland, Spain, France, Italy, Yugoslavia, Greece, Bulgaria, Romania, Ukraine, Russia, eastern Russia, Mongolia, China, Japan and Korea

Ecological:

Rocky places in forests, forest margins, grasslands; at elevations of 550-1100 m.

Flowering times:

Blooms in the spring and summer.

Flower size:

5.5 cm.

Cultivation:

Light:

Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Soil Texture:

High Organic Matter

Soil pH:

Acid (<6.0)

Neutral (6.0-8.0)

Soil Drainage:

Good Drainage

Moist

Ref:

orchidspecies.com

ipni.org

powo.science.kew.org

orchids.fandom.com  

plants.ces.ncsu.edu

orchids.botany.wisc.edu