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Cypripedium arietinum
Cypripedium arietinum W.T. Aiton
Ram's Head Lady's Slipper
Orchidaceae (Orchid Family)
Synonym(s): Criosanthes arietina
USDA Symbol: CYAR5
USDA Native Status: L48 (N), CAN (N)
Plant Characteristics
Duration: PerennialHabit: Herb
Root Type: Fibrous
Leaf Complexity: Simple
Leaf Shape: Lanceolate , Ovate
Fruit Type: Capsule
Size Notes: Up to about 14 inches tall.
Bloom Information
Bloom Color: White , Red , Green , Purple , BrownBloom Time: May , Jun
Distribution
USA: CT , MA , ME , MI , MN , NH , NY , VT , WICanada: MB , NS , ON , QC , SK
Growing Conditions
Light Requirement: Part Shade , ShadeSoil Moisture: Dry , Moist , Wet
Benefit
Warning: POISONOUS PARTS: Glandular, irritating hairs on leaves. Symptoms include skin irritation after contact. Toxic Principle: Unidentified.Conspicuous Flowers: yes
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FACW | FACW | FACW |
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
From the Archive
Wildflower Newsletter 1990 VOL. 7, NO.2 - Preservation Blooms in Recreated Prairies, New Wildflower Center Prairie Welcome...Additional resources
USDA: Find Cypripedium arietinum in USDA PlantsFNA: Find Cypripedium arietinum in the Flora of North America (if available)
Google: Search Google for Cypripedium arietinum
Metadata
Record Modified: 2023-04-24Research By: TWC Staff