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Platanthera integra (Nuttall) A. Gray ex Beck. Subgenus: Blephariglottis. Section: Gymnadeniopsis. Golden Fringeless Orchid, Yellow Fringeless Orchid. Phen: Jul-Sep. Hab: Wet pine savannas in the Coastal Plain, bogs in the Mountains and Piedmont. Dist: Essentially endemic to the Southeastern Coastal Plain, ranging from s. NJ south to FL and west to se. TX, with disjunct occurrences in TN (Eastern Highland Rim, Cumberland Plateau) and in bogs in the Piedmont and at low elevations of the Blue Ridge of NC. It is apparently now extirpated in the Mountains and Piedmont of NC.

Origin/Endemic status: Endemic

Synonymy : = AqW, ETx1, FNA26, K1, K3, K4, Tn, WH3, Brown (2002), Efimov (2016), Luer (1975); = Gymnadeniopsis integra (Nutt.) Rydb. – S, S13; = Habenaria integra (Nutt.) Spreng. – C, F, G, GW1, RAB, Tx, Correll (1950)

Links to other floras: = Platanthera integra - FNA26

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL

Heliophily : 9

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image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Jim Fowler | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Alan Cressler: Platanthera integra (Gymnadeniopsis integra) and Platanthera ciliaris, Big Island Prairie, Green Swamp Ecological Preserve, The Nature Conservancy, Brunswick County, North Carolina 1 by Alan Cressler source | Original Image ⭷
image of plant© Jim Fowler | Original Image ⭷
image of plant© Alan Cressler: Platanthera integra (Gymnadeniopsis integra), Big Island Prairie, Green Swamp Ecological Preserve, The Nature Conservancy, Brunswick County, North Carolina 4 by Alan Cressler source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect perennial found in savannas in the Coastal Plain and bogs in the Mountains and Piedmont.

Stems: Stems unbranched, smooth.

Leaves: Leaves (1-3) alternate, sessile with sheathing base, ascending-spreading, lance-oblong to lance-linear, to 12 in. long (reduced to bracts upward), smooth.

Inforescence:

Flowers: Flowers in a dense, cylindric-conical terminal raceme; yellow-orange to pale orange; bilaterally symmetric; consisting of 2 petals and a sepal forming a curved hood, 2 wing-like lateral sepals, a long lip-petal that is either entire or wavy-margined and a slender, tapering spur.

Fruits: Fruit an ellipsoid capsule.

Comments:

Height: 8-25 in.

plant sale text:

bloom table text:

description: Erect perennial found in savannas in the Coastal Plain and bogs in the Mountains and Piedmont.

stems: Stems unbranched, smooth.

leaves: Leaves (1-3) alternate, sessile with sheathing base, ascending-spreading, lance-oblong to lance-linear, to 12 in. long (reduced to bracts upward), smooth.

inflorescence:

flowers: Flowers in a dense, cylindric-conical terminal raceme; yellow-orange to pale orange; bilaterally symmetric; consisting of 2 petals and a sepal forming a curved hood, 2 wing-like lateral sepals, a long lip-petal that is either entire or wavy-margined and a slender, tapering spur.

fruits: Fruit an ellipsoid capsule.

comments:

cultural notes:

germination code:

native range: