Difference between revisions of "Platanthera leucophaea"
Gen. Sp. Orchid. Pl., 294. 1835.
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|year=1835 | |year=1835 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
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| + | |code=C | ||
| + | |label=Conservation concern | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Orchis leucophaea | |name=Orchis leucophaea | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |rank=species | ||
|publication_title=Trans. Amer. Philos. Soc., n. s. | |publication_title=Trans. Amer. Philos. Soc., n. s. | ||
|publication_place=5: 161. 1834 | |publication_place=5: 161. 1834 | ||
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|name=Habenaria leucophaea | |name=Habenaria leucophaea | ||
|authority=(Nuttall) A. Gray | |authority=(Nuttall) A. Gray | ||
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}} | }} | ||
|hierarchy=Orchidaceae;Orchidaceae subfam. Orchidoideae;Orchidaceae tribe Orchideae;Orchidaceae (tribe Orchideae) subtribe Orchidinae;Platanthera;Platanthera leucophaea | |hierarchy=Orchidaceae;Orchidaceae subfam. Orchidoideae;Orchidaceae tribe Orchideae;Orchidaceae (tribe Orchideae) subtribe Orchidinae;Platanthera;Platanthera leucophaea | ||
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name=Platanthera leucophaea | name=Platanthera leucophaea | ||
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|authority=(Nuttall) Lindley | |authority=(Nuttall) Lindley | ||
|rank=species | |rank=species | ||
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|publication title=Gen. Sp. Orchid. Pl., | |publication title=Gen. Sp. Orchid. Pl., | ||
|publication year=1835 | |publication year=1835 | ||
| − | |special status= | + | |special status=Illustrated;Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_1155.xml |
|subfamily=Orchidaceae subfam. Orchidoideae | |subfamily=Orchidaceae subfam. Orchidoideae | ||
|tribe=Orchidaceae tribe Orchideae | |tribe=Orchidaceae tribe Orchideae | ||
Latest revision as of 21:11, 5 November 2020
Plants 32–112 cm. Leaves several to many, ascending, scattered along stem, imperceptibly reduced to bracts distally; blade lanceolate to ovate-lanceolate, usually to 20 × 4 cm. Spikes lax to moderately dense. Flowers resupinate, showy, corolla white, calyx green to whitish green; lateral sepals porrect; petals obovate to rarely flabellate, apically lacerate; lip descending to horizontally projecting, deeply 3-lobed, without basal thickening, 14–22 × 15–29 mm, distal margins of lobes deeply incised, fringed, lateral lobes flabellate, usually broad, overlapping middle lobe, middle lobe flabellate, sometimes very broadly, emarginate; spur slenderly clavate, 28–47 mm; rostellum lobes nearly parallel, directed downward, short, rounded; pollinaria geniculate; pollinia directed forward (column appearing hooded), remaining enclosed in anther sacs; viscidia orbiculate; ovary slender, mostly 15–30 mm. 2n = 42.
Phenology: Flowering Jun–Aug.
Habitat: Mesic to wet prairies, marshes, fens, lake shores, old fields
Elevation: 80–300 m
Distribution
Ont., Ill., Ind., Iowa, La., Maine, Mich., Mo., Nebr., N.J., N.Y., Ohio, Okla., Va., Wis.
Discussion
Of conservation concern.
A very rare hybrid with Platanthera psycodes, known only from Ontario, is P. ×reznicekii Catling, Brownell & G. Allen.
See the discussion under 22. Plantanthera praeclara.
Selected References
None.