Platanthera dilatata var. albiflora

(Chamisso) Ledebour

Fl. Ross. 4: 71. 1853.

Endemic
Basionym: Habenaria borealis var. albiflora Chamisso Linnaea 3: 28. 1828
Synonyms: Habenaria dilatata var. albiflora (Chamisso) Correll
Treatment appears in FNA Volume 26. Treatment on page 557. Mentioned on page 552, 554, 558, 560.
Revision as of 04:24, 30 July 2020 by imported>Volume Importer
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Lip commonly with pronounced basal dilation, sometimes lateral margins elaborated along axes, diverging forward and forming lobules, 6–10 mm; spur clavate to slightly capitate, 2–7 mm (markedly shorter than lip), apex obtuse; viscidia linear-oblong to oblong. 2n = 42.


Phenology: Flowering Jun–Aug.
Habitat: Wet meadows, tundra, marshes, fens, stream banks, shores, ditches, seeping slopes, roadsides
Elevation: 0–3700 m

Distribution

V26 1135-distribution-map.jpg

Alta., B.C., Yukon, Alaska, Colo., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
self-pollination +
Charles J. Sheviak +
(Chamisso) Ledebour +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 1.1 cm11 mm <br />0.011 m <br /> (?) +
rhombic +, slightly rounded-dilated +  and orbiculate +
2mm +  and 5mm +
Habenaria borealis var. albiflora +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
3.5 cm35 mm <br />0.035 m <br /> (32 cm320 mm <br />0.32 m <br />) +
oblanceolate +  and oblong +
0.3 cm3 mm <br />0.003 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Alta. +, B.C. +, Yukon +, Alaska +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
0–3700 m +
3-merous +, sessile +  and pedicellate +
conspicuous +  and showy +
ellipsoid;cylindric +
Wet meadows, tundra, marshes, fens, stream banks, shores, ditches, seeping slopes, roadsides +
lateral +  and terminal +
spreading +  and reflexed +
petiolate +, sessile +  and simple +
ascending;recurved-spreading +
Few (?) +  and Several (?) +
reduced +
descending +
3-partite +  and lobed +
larger +
0.4 cm4 mm <br />0.004 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
rhombic +, slightly rounded-dilated +  and orbiculate +
6mm +  and 10mm +
2mm +  and 5mm +
differing in form and color +
slender +  and stout +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
ovate;linear-lance-falcate +
Flowering Jun–Aug. +
aerial +  and subterranean +
lancefusiform +
slender +
downward +  and directed +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
clavate +  and slightly capitate +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
leafless +  and leafy +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Habenaria dilatata var. albiflora +
Platanthera dilatata var. albiflora +
Platanthera dilatata +
variety +
linear-oblong +  and oblong +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +
erect to somewhat +