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Malaxis unifolia Michaux. Common name: Green Adder's-mouth. Phenology: Apr-Aug. Habitat: Bogs, moist forested slopes, in the Sandhills in longleaf-oak-hickory forests, often rooted in moss. Distribution: NL (Newfoundland) and FL west to MN, IA, MO, e. OK, and e. TX; also in Mexico, Cuba, the West Indies, and Central America.

Origin/Endemic status: Native

Synonymy ⓘ: = AqW, Ar, Can, ETx1, F, FNA26, Il, K4, Mi, Mo1, NE, NS, POWO, Tat, Tn, Tx, Va, WH3, Catling (1991); < Malaxis unifolia Michx. — C, G, GW1, Pa, RAB, S, S13, W, WV, Correll (1950), Luer (1975); Malaxis unifolia Michx. Basionym: Malaxis unifolia Michx. 1803

Links to other floras: = Malaxis unifolia - FNA26

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: FAC (taxonomic split from wetland indicator species)
  • Great Plains: FAC (taxonomic split from wetland indicator species)
  • Midwest: FAC (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FAC (taxonomic split from wetland indicator species)

Heliophily ⓘ: 3

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image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷
image of plant© Alan Cressler: Malaxis uniflora, Tallulah Gorge State Park, Rabun County, Georgia 2 by Alan Cressler source | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect perennial, often rooted in moss, of bogs, moist forested slopes; in the Sandhills, in longleaf pine-oak-hickory forests.

Stems: Stem with thickened base, unbranched, smooth.

Leaves: Leaves usually 1, sessile-clasping, oval, to 4 in. long, with parallel veins, glossy and smooth.

Inforescence:

Flowers: Flowers (to 50) in a terminal raceme, most densely clustered toward the top; green; less than 1/4 in. wide; bilaterally symmetric; consisting of 3 tiny, narrow sepals and 2 recurved, linear, lateral petals plus a triangular, fork-tipped lip-petal.

Fruits:

Comments: Uncommon within its range, but with an extremely wide distribution: Labrador and Newfoundland to Mexico.

Height: 1-20 in.

plant sale text:

bloom table text:

description: Erect perennial, often rooted in moss, of bogs, moist forested slopes; in the Sandhills, in longleaf pine-oak-hickory forests.

stems: Stem with thickened base, unbranched, smooth.

leaves: Leaves usually 1, sessile-clasping, oval, to 4 in. long, with parallel veins, glossy and smooth.

inflorescence:

flowers: Flowers (to 50) in a terminal raceme, most densely clustered toward the top; green; less than 1/4 in. wide; bilaterally symmetric; consisting of 3 tiny, narrow sepals and 2 recurved, linear, lateral petals plus a triangular, fork-tipped lip-petal.

fruits:

comments: Uncommon within its range, but with an extremely wide distribution: Labrador and Newfoundland to Mexico.

cultural notes:

germination code:

native range:



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