| 词条 | Aplectrum |
| 释义 |
|image=Aplectrum hyemale flower.JPG |status=G5 |status_system=TNC |genus=Aplectrum |parent_authority=(Nutt.) Torr. |species=hyemale |authority=(Muhl. ex Willd.) Torr. |range_map=Aplectrum Native Map.svg |range_map_caption=State-level distribution of Aplectrum hyemale in the United States |synonyms_ref=[1] |synonyms={{collapsible list|bullets=on|Cymbidium hyemale Muhl. ex Willd. |Epidendrum hyemale (Muhl. ex Willd.) Poir. in J.B.A.M.de Lamarck |Corallorhiza hyemalis (Muhl. ex Willd.) Nutt. |Aplectra elatior Raf. |Aplectrum spicatum Britton, Sterns & Poggenb. |Aplectrum shortii Rydb. in N.L.Britton |Aplectrum spicatum var. pallidum House |Aplectrum hyemale var. pallidum (House) Barnhart |Aplectrum hyemale f. pallidum (House) House }} }}Aplectrum hyemale is a species of orchid native to the eastern United States and Canada, from Oklahoma east to the Carolinas and north to Minnesota, Ontario, Quebec and Massachusetts.[1] It is particularly common in the Appalachian Mountains, the Great Lakes Region, and the Ohio and Upper Mississippi Valleys. Isolated populations are also reported from Arizona.[2] A. hyemale is the sole species of the genus Aplectrum. The generic name comes from Greek and signifies "spurless". The species is commonly referred to as Adam and Eve or putty root; the latter refers to the mucilaginous fluid which can be removed from the tubers when they are crushed.{{cn|date=December 2018}} Aplectrum hyemale spreads underground through the growth of its tubers, forming large colonies. The leaves appear in late November and persist until March. They are uniquely pin-striped, with parallel alternating silvery-white and green stripes. In late May or early June the flower stalk emerges carrying several flowers, each only a few millimeters across.[3] It is sometimes confused with Tipularia discolor, another orchid species that occurs in eastern North America.[4][5]{{Gallery|Aplectrum hyemale leaf closeup.JPG|Leaf detail }} References1. ^1 Kew World Checklist of Selected Plant Families 2. ^Biota of North America Program 3. ^Flora of North America v 26 p 632, Aplectrum hyemale (Muhlenburg ex Willdenow) Nuttall, Gen. N. Amer. Pl. 2: 198. 1818. 4. ^{{cite web |title=Aplectrum hyemale (Putty Root), Similar Species |url=https://www.inaturalist.org/taxa/123188-Aplectrum-hyemale |website=iNaturalist.org |accessdate=18 December 2018}} 5. ^Flora of North America v 26 p 624, Tipularia discolor (Pursh) Nuttall, Gen. N. Amer. Pl. 2: 195. 1818. External links
5 : Corallorhizinae|Monotypic Epidendroideae genera|Calypsoeae genera|Orchids of Canada|Orchids of the United States |
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