Platanthera grandiflora

Platanthera grandiflora

Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
Order: Asparagales
Subfamily: Orchidoideae
Tribe: Orchideae
SubTribe: Orchidinae
Genus: Platanthera
Species: P. grandiflora
Binomial name
Platanthera grandiflora
(Bigelow) Lindley 1835

Platanthera grandiflora is a terrestrial orchid in the genus Platanthera


Plant is found growing in swamp forests, stream banks, seeping slopes, marshes, sphagnum bog forests, and mesic wooded slopes in New Brunswick, Newfoundland, Nova Scotia, Quebec, Ontario, Prince Edward Islands, Canada; and Maine, New Hampshire, Vermont, Connecticut, Massachusets, Rhode Island, New York, Pennsylvania, New Jersey, Ohio, Michigan, W Virginia, Maryland, Tennesee and N Carolina United States; at elevations of 0 to 1800 meters.


Plants bloom in the late spring to summer with thirty to sixty five 3 cm wide flowers. Flowers are fragrant with the scent of lavender.


Plant grows in cool conditions with moderate lighting.


Common name:The Large Flowered Platanthera


  1. Blephariglottis grandiflora (Bigelow) Rydb. in N.L.Britton 1901
  2. Blephariglottis psycodes var. grandiflora (Bigelow) J.H.Schaffn. 1914
  3. Fimbriella psycodes var. grandiflora (Bigelow) Butzin 1981
  4. Habenaria fimbriata (Aiton) R.Br. in W.T.Aiton 1813
  5. Habenaria fimbriata f. albiflora E.L.Rand & Redfield 1894
  6. Habenaria fimbriata f. mentotonsa Fernald 1946
  7. Habenaria grandiflora (Bigelow) Torr. ex L.C.Beck 1833
  8. Habenaria psycodes var. grandiflora (Bigelow) A.Gray 1840
  9. Orchis fimbriata Aiton 1789
  10. *Orchis grandiflora Bigelow 1824
  11. Platanthera fimbriata (Aiton) Lindl. 1835
  12. Platanthera fimbriata var. grandiflora (Bigelow) Hook. 1839
  13. Platanthera grandiflora f. albiflora (E.L.Rand & Redfield) Catling 1982
  14. Platanthera grandiflora f. bicolor P.M.Br. 1995
  15. Platanthera grandiflora f. carnea P.M.Br. 1995
  16. Platanthera grandiflora f. mentotonsa (Fernald) P.M.Br.1988

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