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Plant Details

Spiranthes longilabris

Giant Spiral Orchid

Scientific Name:

Spiranthes longilabris

Common Name:

Giant Spiral Orchid

Plant Family

Native/Alien:

Native

Bloom Color(s):

White

Size in Feet:

2

Light:

Sun, Part-sun

Soil Moisture:

Sub-hygric(*)

Bloom Time:

October - November - December

Bloom Area:

Coast

State Rank:

S1 - 1-5 Extant Populations - Critically imperiled in NC because of extreme rarity or because of some factor(s) making it especially vulnerable to extirpation (local extinction) from NC (*)

Global Rank:

G3 - 21-100 Extant Populations - Rare or uncommon in the world (*)

State Status:

T - Threatened (*)

Blooms in Hand

image

© David R. McAdoo

Closeup of Blooms

"Looks like the flying nun's hat"

image

© David R. McAdoo

Close up

image

David McAdoo

Blooms on one side

image

Tom Harville

Blooms with a half twist

image

Tom Harville

A one-sided inflorescence seen from the back

image

© John Henderson, Nov 08,2012, Croatan National Forest

Leafless stem

image

© John Henderson, Nov 08,2012, Croatan National Forest

Giant Spiral Orchid in its habitat

This Southeastern Coastal Plain endemic grows in wet pine savannas from southeast NC, south to southern Florida and west to eastern Texas.

image

© John Henderson, Nov 08,2012, Croatan National Forest

Links:

USDA PLANTS Database Record


Bird-Friendly Native Plants

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