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Cypripedium parviflorum: Yellow Lady's Slipper
This species used to be called Cypripedium calceolus. One of the more common wild ladyslippers
in Southern Alberta, it grows up to 60 cm tall with one or two flowers on a growth. The scientific
name Cypripedium refers to the island of Cyprus, the birthplace of the Goddess of Love. The Yellow
Ladyslipper is common in Banff, Yoho and Jasper National Parks.
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Amerorchis rotundifolia: Round Leaved Orchid
These tiny (circa 15 cm) beauties occur in fields containing thousands upon thousands of plants
in certain locations. The spotted pattern on the lip never repeats and occasionally takes the shape
of stripes. As indicated by the name, the flowers grow from a plant with almost perfectly round
leaves.
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Habenaria dilatata: White Tall Bog Orchid
This plant grows in boggy places and is very tall, some plants having been measured at more than
1.5 meters (5 feet). It is the most fragrant of all the orchids in the Canadian Rockies and is the
very last to bloom, sometimes as late as September. Often, its cousin, the Green Bog Orchid blooms
at the same time.
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Cypripedium passerinum: Sparrow's Egg Lady Slipper
The spotted pouch explains the name of this beautiful flower. The plant grows up to 40 cm in
height, usually with a single flower. It is sometimes found in dense clusters. It is quite
common in lower, mossy habitats.
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Calypso bulbosa: Venus Slipper
This enchanting, small flower is the first to bloom in the Rockies at the end of May. It has a
single leaf that appears in late summer and somehow survives the harsh winter to bloom in the
Spring. The flowers are tiny, born on stems up to 20 cm in height, and like to grow in clusters
sometimes many meters across.
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Cypripedium montanum: Mountain Ladyslipper
The showiest of our native orchids, this relative of the
Yellow Ladyslipper is much rarer and increasingly scarce. It grows up to 1 meter (40 inches)
high with two and often three flowers on the stem. Only a few locations in Waterton Lakes and
Yoho National Parks are home to this stately species.
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