Cypripedium reginae Walter

Cypripedium reginae, known as the showy lady's slipper, pink-and-white lady's-slipper, or the queen's lady's-slipper, is a rare lady's-slipper orchid native to northern North America. Although never common, this plant has vanished from much of its historical range due to habitat loss. It is the state flower of Minnesota.

Etymology

The species name reginae is Latin for "of a queen". Common names also include fairy queen, white wing moccasin, royal lady's slipper, and silver-slipper.

Description

Like other lady's slipper orchids (subfamily Cypripedioideae) the Cypripedium reginae has flowers with a pouch-shaped labellum. Cypripedium reginae is a large, terrestrial orchid, growing 21–100 cm (0.7–3 ft) in height with many stems from the same rootstock. Each stem has three to five alternate, pubescent leaves. Each ovately shaped leaf grows up to 25 cm (10 in) long and 16 cm (6 in) broad. Flowering stems one to three large, white and pink flowers. The upper petals are white, up to 4 cm (2 in) in length and 1.5 cm (0.59 in) across. The pouch-shaped labellum is rose-pink to magenta 2.5–5.5 cm (0.98–2.17 in) in length.

Despite producing a large amount of seeds per seed pod, it reproduces largely by vegetative reproduction.

 

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Cypripedium reginae - Wikipedia