| 词条 | Rubus michiganensis |
| 释义 |
|image = |image_caption = |genus = Rubus |species = michiganensis |authority = (F.W. Card ex L.H. Bailey) L.H.Bailey 1925 |synonyms_ref = [1][2] |synonyms = {{collapsible list|bullets = true |title=Synonymy |Rubus villosus var. michiganensis F.W. Card ex L.H. Bailey 1898 |Rubus flagellaris var. michiganensis (F.W. Card ex L.H. Bailey) L.H. Bailey |Rubus complex L.H.Bailey |Rubus cordifrons (L.H.Bailey) L.H.Bailey |Rubus florenceae L.H.Bailey |Rubus inobvius L.H.Bailey |Rubus prosper var. cordifrons L.H.Bailey }}}} Rubus michiganensis is an uncommon North American species of brambles in the rose family. It has been found in the Province of Ontario in central Canada, as well as in the Great Lakes region and in the Appalachian Mountains of the United States (Michigan, Wisconsin, Indiana, Ohio, Pennsylvania, West Virginia, Virginia, Maryland, and New Jersey).[3][4]Rubus michiganensis has trailing stems that grow horizontally across the surface of sandy soil or slightly below the surface. These produce herbaceous vertical stems that rise upwards, bearing compound leaves with 3, 5, or 7 leaflets.[5]The genetics of Rubus is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy.[6] References1. ^The Plant List, Rubus michiganensis (Card ex L.H.Bailey) L.H.Bailey {{taxonbar |from=Q15547099}}{{Rosales-stub}}2. ^Tropicos, Rubus michiganensis (F.W. Card ex L.H. Bailey) L.H. Bailey 3. ^Biota of North America Program 2014 county distribution map 4. ^Bailey, Liberty Hyde 1925. Gentes Herbarum; Occasional Papers on the Kinds of Plants 2(6): 334 5. ^[https://www.biodiversitylibrary.org/item/80873#page/345/mode/1up Card, Frederick Wallace ex Bailey, Liberty Hyde. 1898. Sketch of the Evolution of our Native Fruits 374] as Rubus villosus var. michiganensis 6. ^Flora of North America, Rubus Linnaeus, 1754. Bramble 4 : Rubus|Plants described in 1898|Flora of Ontario|Flora of the United States |
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