Quercus ellipsoidalis, northern pin oak or Hill's oak, is a North American species of trees native to the north-central United States and south-central Canada, primarily in the Great Lakes region and the Upper Mississippi Valley. It occurs on moist, clay soils.

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dbo:abstract
  • Quercus ellipsoidalis o roble de Hill es un roble perteneciente a la sección Lobatae dentro del género Quercus. Es originaria de Norteamérica. (es)
  • Quercus ellipsoidalis, northern pin oak or Hill's oak, is a North American species of trees native to the north-central United States and south-central Canada, primarily in the Great Lakes region and the Upper Mississippi Valley. It occurs on moist, clay soils. Although the common name suggests an resemblance to the pin oak Q. palustris, Q. ellipsoidalis has traditionally been thought to be closely related to the scarlet oak Q. coccinea, and was in fact included in that species by many botanists. Recent work suggests that there is more gene flow between Hill's oak and black oak Q. velutina, but the phylogenetic position of these species is still uncertain (Hipp and Weber 2008). The morphological similarity between Q. ellipsoidalis and Q. coccinea remains a source of confusion, especially in northwestern Indiana and southern Cook County, Illinois. Quercus ellipsoidalis is a medium-sized deciduous tree growing to 20 meters (66 feet) tall with an open, rounded crown. The leaves are glossy green, 7–13 cm (2 3⁄4–5 in) long and 5–10 cm (2–4 in) broad, lobed, with five or seven lobes, and deep sinuses between the lobes. Each lobe has 3-7 bristle-tipped teeth. The leaf is nearly hairless, except for small tufts of pale orange-brown down where the lobe veins join the central vein. The acorns tend to be ellipsoid (ellipse-shaped, from which its scientific name derives), though they tend to be highly variable and range to globose, 6–11 mm (1⁄4–7⁄16 in) long and 10–19 mm (13⁄32–3⁄4 in) broad, a third to a half covered in a deep cup, green maturing pale brown about 18 months after pollination; the kernel is very bitter. The inner surface of the acorn cap is glabrous (hairless) to sparsely or moderately pubescent, and the hairs if present tend to be kinky rather than straight. (en)
  • Quercus ellipsoidalisFichier:Quercus ellipsoidalis Mack Lake Mio Michigan.jpg Quercus ellipsoidalis, Comté d'Oscoda, Michigan Nom binominal Quercus ellipsoidalisE.J.Hill, 1899 Statut de conservation UICN LC : Préoccupation mineure Quercus ellipsoidalis est une espèce d'arbres du sous-genre Quercus et de la section Lobatae. L'espèce est présente aux États-Unis et de manière plus marginale au Canada. (fr)
dbo:conservationStatus
  • LR/lc
dbo:family
dbo:genus
dbo:kingdom
dbo:order
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dbo:wikiPageExternalLink
dbo:wikiPageID
  • 2636991 (xsd:integer)
dbo:wikiPageRevisionID
  • 741991038 (xsd:integer)
dbp:assessors
  • Sternberg
dbp:binomial
  • Quercus ellipsoidalis
dbp:binomialAuthority
dbp:downloaded
  • 2006-05-05 (xsd:date)
dbp:id
  • 33896 (xsd:integer)
dbp:rangeMap
  • Quercus ellipsoidalis range map 1.png
dbp:rangeMapCaption
  • Natural range
dbp:sectio
  • Lobatae
dbp:species
  • Q. ellipsoidalis
dbp:statusSystem
  • IUCN2.3
dbp:title
  • Quercus ellipsoidalis
dbp:unrankedClassis
dbp:unrankedDivisio
dbp:unrankedOrdo
dbp:year
  • 1998 (xsd:integer)
dct:subject
http://purl.org/linguistics/gold/hypernym
rdf:type
rdfs:comment
  • Quercus ellipsoidalis o roble de Hill es un roble perteneciente a la sección Lobatae dentro del género Quercus. Es originaria de Norteamérica. (es)
  • Quercus ellipsoidalisFichier:Quercus ellipsoidalis Mack Lake Mio Michigan.jpg Quercus ellipsoidalis, Comté d'Oscoda, Michigan Nom binominal Quercus ellipsoidalisE.J.Hill, 1899 Statut de conservation UICN LC : Préoccupation mineure Quercus ellipsoidalis est une espèce d'arbres du sous-genre Quercus et de la section Lobatae. L'espèce est présente aux États-Unis et de manière plus marginale au Canada. (fr)
  • Quercus ellipsoidalis, northern pin oak or Hill's oak, is a North American species of trees native to the north-central United States and south-central Canada, primarily in the Great Lakes region and the Upper Mississippi Valley. It occurs on moist, clay soils. (en)
rdfs:label
  • Quercus ellipsoidalis (en)
  • Quercus ellipsoidalis (es)
  • Quercus ellipsoidalis (fr)
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prov:wasDerivedFrom
foaf:depiction
foaf:isPrimaryTopicOf
foaf:name
  • Northern pin oak (en)
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