Pink Lady Slipper

Cypripedium guttatum is a terrestrial orchid with a long rhizome and a single stem that can reach heights of 15 to 50 cm. The stem is glandular-pubescent and bears brown basal sheaths, with two leaves typically located near the middle. The leaves are elliptical to elliptic-ovate in shape, measuring 6 to 12 cm in length and 3 to 5 cm in width, with an acute to acuminate tip and sparse pubescence. The plant produces a solitary flower, which is subtended by a large, leaf-like bract. The median outer perianth segment is 1.8 to 2.8 cm long, white with purple blotches or spots, while the lateral outer segments are shorter and green. The inner perianth segments are approximately 2 cm long and panduriform. The labellum is 2 to 2.3 cm in size, obovoid, rounded at the apex, and white with large, confluent lilac spots.

Cypripedium guttatum is typically found in woodland and clearing habitats. It thrives in moist, shaded environments, often in the understory of forests or in partially open areas with rich, organic soil. This species is adapted to temperate to cold climates and is commonly found in regions with cool summers and cold winters.

Cultivating Cypripedium guttatum requires careful attention to its specific needs. It prefers a moist, well-drained, and humus-rich soil with a slightly acidic to neutral pH. The plant should be grown in a location that provides partial shade to avoid direct sunlight, which can damage its delicate leaves and flowers. A consistent moisture level is essential, but the soil should not become waterlogged. Cypripedium guttatum benefits from a cool winter dormancy period and should be protected from extreme temperature fluctuations. When planting, it is important to maintain the natural root system and avoid disturbing the rhizome. Fertilization should be minimal and done with a balanced, water-soluble fertilizer during the growing season.

Cypripedium guttatum is primarily valued for its ornamental beauty and is often cultivated in botanical gardens and by orchid enthusiasts. Its unique and striking flowers make it a desirable addition to specialized collections. While it is not commonly used for commercial horticulture due to its specific growing requirements, it is occasionally used in ecological restoration projects to enhance native plant diversity. The plant is also of interest to botanists and researchers studying orchid biology and conservation.