Eulophia ecristata (Fernald) Ames

Giant Orchid

Facts About

Accepted Synonyms: Cyrtopodium ecristata, Pteroglossaspis ecristata

Eulophia ecristata, commonly known as the Giant Orchid, extends from North Carolina south to Florida and west to Louisiana and occurs in Cuba. This species has 3-4 large basal leaves up to 70 cm in length and bears an inflorescence of 10-30 flowers on a terminal raceme that is leafless except for a few bracts. The sepals and petals of the flowers are yellow green and folded forward over the 3-lobed lip. The prominent central lobe is maroon with green margins. Populations found in Florida are a self-pollinating form. It blooms in August through October in old fields, orchards, pine flatwoods, and grasslands with sandy soil.

Eulophia ecristata is considered globally imperiled and may be threatened or endangered throughout its North American range.


Pollinator information for this orchid has not been reported in North America but autogamy has been observed in populations in other parts of its range.

Ecosystem Type

Shrublands or thickets, woodlands


Leaf arrangement:
Number of leaves on stem:
  • three
  • four
Form of the labellum:
the labellum is not pouch-like
Labellum outline:
the labellum is lobed
Main color of labellum:
  • blue to purple
  • green to brown
  • pink to red
  • yellow
Nectar spur:
Inflorescence type:
the inflorescence is a raceme
Labellum characteristics:
the labellum is lobed
Labellum length:
10–15 mm
Sepal length:
10–15 mm
Plant height:
30–130 cm
Show All Characteristics

Native to North America


North American Conservation Status & Distribution

Conservation Status

Select a location to view conservation status:

Conservation and Wetland Status
Global Rank Imperiled
US Status N/A
Canadian Status N/A

North America Distribution

Adapted from USDA data