Comments
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fourni par eFloras
Northwestern plants commonly treated as Platanthera hyperborea var. viridiflora (Chamisso) Kitamura (note Kitamura’s priority over Luer) are P. huronensis; Chamisso’s name furthermore is synonymous with P. stricta. Aleutian and coastal Alaskan plants are often short, stout, and broad-leaved, and they have incorrectly been referred to 9. P. convallariifolia.
Platanthera huronensis as here delimited does not auto-pollinate in the manner of P. aquilonis. Occasional plants and populations that may be referable to P. huronensis, however, exhibit the movement of pollinia typical of P. aquilonis. These plants might reflect infraspecific variation within an allotetraploid species, result from hybridization, or constitute a distinct taxon. The relationship of some of these plants to P. hyperborea needs study.
Platanthera huronensis is typically intensely fragrant with the sweet, pungent scent of some related species.
Platanthera huronensis is known to hybridize with P. dilatata; it may hybridize with other species as well. Although hybrids of P. dilatata and P. aquilonis may occur, the name traditionally used for them, P. ×media (Rydberg) Luer is a synonym of P. huronensis. See notes under 10. P. aquilonis and 8. P. hyperborea.
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Description
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Plants 10–100 cm or more. Leaves few–several, ascending, scattered along stem, gradually reduced to bracts distally; blade oblong to linear-lanceolate, 5–30 × 0.6–7 cm. Spikes very lax to very dense. Flowers resupinate, not showy but sometimes conspicuous, whitish green; corolla often whiter than calyx; lateral sepals spreading to slightly reflexed; petals ovate- to lance-falcate, margins entire; lip descending or apex adhering to dorsal sepal and petal apices, lanceolate to nearly linear, without basal thickening, 5–12 × 2–4 mm, base slightly to rather markedly rounded-dilated, margins entire; spur slenderly cylindric to clavate, 4–12 mm, apex usually slenderly tapered; rostellum lobes divergent, directed downward, very small, obscure, rounded; pollinaria straight; pollinia remaining enclosed in anther sacs; viscidia oblong; ovary rather slender to stout, mostly 6–15 mm. 2n = 84.
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Distribution
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Alta., B.C., Man., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que.,Yukon; Alaska, Colo., Conn., Idaho, Maine, Mass., Mich., Minn., Mont., N.H., N.J., N.Mex., N.Y., Oreg., R.I., S.Dak., Utah, Vt., Wash., Wis., Wyo.
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Flowering/Fruiting
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Flowering Jun--Aug.
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Habitat
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Wet meadows, tundra, marshes, fens, stream banks, shores, ditches, seeping slopes, roadsides; 0--3300m.
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Synonym
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Orchis huronensis Nuttall, Gen. N. Amer. Pl. 2: 189. 1818; Habenaria hyperborea (Linnaeus) R. Brown var. huronensis (Nuttall) Farwell; H. ×media (Rydberg) Niles; Limnorchis media Rydberg; Platanthera hyperborea (Linnaeus) Lindley var. huronensis (Nuttall) Luer; P. ×media (Rydberg) Luer
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Platanthera huronensis
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Platanthera huronensis: Brief Summary
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fourni par wikipedia EN
Platanthera huronensis, the Huron green orchid, is a species of orchid native to the United States and Canada. It has a discontinuous range, the eastern range including eastern Canada from eastern Manitoba to Labrador, plus New England and the Great Lakes states. The western range extends along the Rocky Mountains from New Mexico to Alberta, as well as the coastal ranges of Washington, British Columbia and southern Alaska (including the Aleutians).
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Platanthera huronensis
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espagnol ; castillan
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Platanthera huronensis es una especie de orquídea de hábito terrestre originaria de Norteamérica.
Descripción
Es una orquídea de orquídea de hábito terrestre que se encuentra en las praderas abiertas húmedas, cunetas y filtraciones, pantanos, ciénagas y en la grava del río. Prefiere clima frío. Tiene con 2 a 4 hojas, caulinares, linear-lanceoladas, que se reducen gradualmente. La inflorescencia terminal y erecta de 100 cm de largo aparece por encima de las hojas y florece en la primavera hasta el verano con 8-75 flores.[1]
Taxonomía
Platanthera huronensis fue descrita por (Carlos Linneo) Lindl. y publicado en The Genera and Species of Orchidaceous Plants 288. 1835.[2]
- Etimología
El nombre genérico Platanthera deriva del griego y se refiere a la forma de las anteras de las flores ("flores con anteras grandes, planas").
- Sinonimia
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Habenaria dilatata f. chlorantha (Hultén) B. Boivin (1967)
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Habenaria dilatata var. media (Rydb.) Ames (1908)
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Habenaria huronensis (Nutt.) Spreng. (1826)
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Habenaria hyperborea var. huronensis (Nutt.) Farw. (1923)
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Habenaria hyperborea var. media (Rydb.) Farw. (1923)
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Habenaria media (Rydb.) G.G. Niles (1904)
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Limnorchis huronensis (Nutt.) Rydb. (1901)
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Limnorchis media Rydb. (1901)
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Orchis huronensis Nutt. (1818)
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Orchis hyperborea var. huronensis (Nutt.) Alph.Wood (1853)
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Platanthera convallariifolia var. dilatatoides Hultén (1943)
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Platanthera dilatata var. chlorantha Hultén (1943)
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Platanthera hyperborea var. huronensis (Nutt.) Luer (1975)
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Platanthera hyperborea var. major Lange (1880)
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Platanthera media (Rydb.) Luer (1975[3]
Referencias
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Platanthera huronensis: Brief Summary
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espagnol ; castillan
)
fourni par wikipedia ES
Platanthera huronensis es una especie de orquídea de hábito terrestre originaria de Norteamérica.
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Platanthera huronensis
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fourni par wikipedia VI
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