jack oak

　

WordNet

1. small to medium deciduous oak of east central North America; leaves have sharply pointed lobes (同)northern pin oak, Quercus ellipsoidalis
2. a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets (同)blackjack, jack_oak, Quercus marilandica
3. small semi-evergreen shrubby tree of southeastern United States having hairy young branchlets and leaves narrowing to a slender bristly point (同)turkey oak, Quercus incana
4. lift with a special device; "jack up the car so you can change the tire" (同)jack up
5. a small worthless amount; "you dont know jack" (同)doodly-squat, diddly-squat, diddlysquat, diddly-shit, diddlyshit, diddly, diddley, squat, shit
6. male donkey (同)jackass
7. game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks (同)jackstones
8. one of four face cards in a deck bearing a picture of a young prince (同)knave
9. a small ball at which players aim in lawn bowling
10. an electrical device consisting of a connector socket designed for the insertion of a plug
11. any of several fast-swimming predacious fishes of tropical to warm temperate seas
12. small flag indicating a ships nationality
13. tool for exerting pressure or lifting
14. a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns" (同)oak tree
15. the hard durable wood of any oak; used especially for furniture and flooring
16. a game in which jackstones are thrown and picked up in various groups between bounces of a small rubber ball (同)jackstones, knucklebones

PrepTutorEJDIC

1. 〈C〉ジャッキ,押上げ万力(まんりき) / 〈C〉ジャック,プラグの差し込み口 / 〈C〉(また『knave』)(カードの)ジャック / 《複数形で》(また『jackstones』)《単数扱い》ジャックス(一種のお手玉遊び) / (また『jackstone』)〈C〉(ジャックスで用いる)6本の角(つの)から成る金属製の駒,小石や動物の骨などの玉 / 《時にJ-》《話》男,やつ(fellow) / 〈C〉雄のロバ(一般に動物の)雄 / 〈C〉(国籍を示すための)船首旗 / 〈U〉《俗》《通例J-》金(かね)(money) / …‘を'ジャッキで持ち上げる(動かす)《+『名』+『up』,+『op』+『名』》
2. 〈C〉『オークの木』(カシ・カシワ・ナラの類;実はacorn) / 〈U〉オーク材(家具材・床材・船材などに用いる)

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/06/29 19:46:11」(JST)

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[Wiki en表示]

Northern pin oak
Conservation status
Least Concern (IUCN 2.3)
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Section:	Lobatae
Species:	Q. ellipsoidalis
Binomial name
Quercus ellipsoidalis E.J.Hill (1899)
Natural range of Quercus ellipsoidalis

Quercus ellipsoidalis, northern pin oak or Hill's oak, is native to the northern midwest United States, and also in the southeast and southwest of Ontario, Canada. It occurs on moist, clay soils. Although the name suggests an alliance to the pin oak Q. palustris, it 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.

It is a medium-sized deciduous tree growing to 20 m tall with an open, rounded crown. The leaves are glossy green, 7-13 cm long and 5-10 cm 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 long and 10-19 mm 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.

Uses

Northern pin oak is planted as an ornamental tree, popular for its bright red fall color and tolerance of infertile sandy soils. The wood is used for fence posts, fuel and general construction.

References

• Sternberg (1998). Quercus ellipsoidalis. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 5 May 2006.
• Flora of North America: Quercus ellipsoidalis
• Oaks of the Americas: Quercus ellipsoidalis
• Hipp AL, JA Weber (2008) Systematic Botany 33: 148-158 [1]
• Ongoing research at The Morton Arboretum into the taxonomy of Hill's oak, including SEM images of the pubescence on the inner surface of the acorn cap

UpToDate Contents

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English Journal

• Cardiogenic embolism producing crescendo transient ischemic attacks.

• Geraghty PJ1, Oak J, Choi ET.
• Annals of vascular surgery.Ann Vasc Surg.2005 Sep;19(5):728-30.
• Lateralizing, repetitive transient ischemic attacks are characteristic of symptomatic carotid bifurcation atherosclerotic plaques. We report a case in which a cardiogenic embolus, after lodging at the left carotid bifurcation, produced crescendo episodes of expressive aphasia and mild right upper ex
• PMID 16027994

Japanese Journal

• Comparative population dynamics of Peromyscus leucopus in North America : influences of climate, food, and density dependence

• WANG Guiming,WOLFF Jerry O.,VESSEY Stephen H.,SLADE Norman A.,WITHAM Jack W.,MERRITT Joseph F.,HUNTER Malcolm L. Jr,ELIAS Susan P.
• Population ecology 51(1), 133-142, 2009-01-01
• NAID 10023984826

• Efficacy of radio frequency treatment and its potential for control of sapstain and wood decay fungi on red oak, poplar, and southern yellow pine wood species

• TUBAJIKA Kayimbi Mendha,JONAWIAK Jonh Jack,MACK Ronald,HOOVER Kelli
• Journal of wood science 53(3), 258-263, 2007-06-25
• NAID 10022024106

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