Platanthera elongata
tall rein orchid
Orchidaceae (Orchid family)

Introduction to Vascular Plants


© Mark Gardiner     (Photo ID #56210)


E-Flora BC Static Map

Distribution of Platanthera elongata
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Species Information

Perennial herb from tubers, 1-4 cm long, with a few fibrous roots; stems 20-100 cm tall.
Basal 2 to 5, oblanceolate, 6-30 cm long, 1-6.5 cm wide, blunt-tipped; stem leaves bractlike.
Inflorescence a terminal, spikelike raceme, 15-30 cm long, open to densely-flowered, the flowers small, green, not scented; sepals 2-5.5 mm long, lanceolate, the upper sepal more or less erect, the lateral somewhat bent back; petals 2-5.5 mm long, sickle-shaped, usually erect; lip 2-5.5 mm long, triangular, bent back; spur 6.5-15 mm long, slender, commonly pointed downward; column oblong, about twice as long as wide.
Capsules, ascending to erect.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Dry forests, forest margins and shrublands in the lowland to montane zones; infrequent in S BC; S to ID, MT, OR and CA.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Piperia elongata Rydb.