Platanthera convallariifolia (Fisch. ex Lindl.) Lindl. 1835

Photos by © Donna Dewhurst

Common Name

Flower Size

Found in Siberia, Japam, the Aleutians and Alaska as a small to just medium sized, cold growing terrestrial with a slender stem carrying oblong-lanceolate to oblanceolate, decreasing in size upwards, lower obtuse, upper acute, leaves that blooms on a terminal, erect, 2.8 to 4" [ 7 to 10 cm] long, many flowered inflorescence with lanceolate to linear-lanceoate, as long as to slightly exceeding the flowers floral bracts.

Close to P stricta but differs in the smaller flowers and the longer, more slender spur

Synonyms Habenaria convallariifolia (Fisch. ex Lindl.) B.Boivin 1967; Limnorchis convallariifolia (Fisch. ex Lindl.) Rydb. 1901; *Orchis convallariifolia Fisch. ex Lindl. 1833; Platanthera dilatata subsp. convallariifolia (Fisch. ex Lindl.) Soó 1969; Platanthera hyperborea var. convallariifolia (Fisch. ex Lindl.) Kraenzl. 1901; Platanthera hyperborea var. makinoi (Y.Yabe) Takeda 1933

References W3 Tropicos, Kew Monocot list , IPNI ;

Gen. Sp. Orchid. Pl.: 271 Fisch ex Lindley 1833 as Orchis convallariifolia

* Gen. Sp. Orchid. Pl.: 287 Lindley 1835

Bull. Torrey Bot. Club 28: 628 Rybd 1901 as Limnorchis convallariifolia drawing fide;

Orchid. Gen. Sp. 1: 642 Kraenzlin 1901 as P hyperborea var convallariifolia;

Bot. Mag. (Tokyo) 17: 19 Y Yabe 1903 as P makinoi

Icon. Jap. Alpine Pl.: 89 Takeda 1933 as P hyperborea var makinoi

Naturaliste Canad. 94: 636 B Bovin 1967 as Habenaria convallariifolia;

Ann. Univ. Sci. Budapest. Rolando Eötvös, Sect. Biol. 11: 62 Soo 1969 as P dilitata subsp convallariifolia;

Orchids of Europe, North Africa and the Middle East Delforge 2005 as P hyperborea

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