Texas
Wildbuds

Spiranthes magnicamporum

(Great Plains Lady’s Tresses)

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Spiranthes magnicamporum, Davenport Ranch West, Austin 0315

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Spiranthes magnicamporum, Davenport Ranch West, Austin 0317

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Spiranthes magnicamporum, Davenport Ranch West, Austin 0301

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Spiranthes magnicamporum, Davenport Ranch West, Austin 0283

Scientific Name Spiranthes magnicamporum USDA PLANTS Symbol SPMA5
Common Name Great Plains Lady's Tresses ITIS Taxonomic Serial No. 43468
Family Orchidaceae (Orchid) SEINet
Reference
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Description Habitat: Wet to dry calcareous soils or dry sandy soils; open areas, prairies and marshes.
Plant: Upright perennial 3 to 24 inches tall, single green stem; lower stem is smooth, slightly pubescent above.
Leaves: Usuall absent by flowering time, 3 to 6 linear to lanceolate or oblanceolate basal leaves, 2 to 6 inches long and 5/8-inch wide, smooth; alternate, small, bract-like leaves tight along the stem.
Inflorescence: Single spike, 1 to 4 inches long, with small white flowers closely intertwined in 2 or 3 spiraling rows, usually 3 to 4 flowers in cycle of the spiral; corolla with 3 petals and 3 sepals is up to 1/2-inch long; lip of the lower petal unrolls downward; two narrow lateral white sepals arch above the corolla.
Bloom Period: August to November.
References: SEINet, Missouri Plants and Minnesota Wildflowers.
BONAP Distribution Map

Map Color Key
Texas Status:
Native

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2024