Quercus (oak), buds comparison for 3 oak species (3.57866)
Date: December 1972Creator: Reynolds, P. J.
Type: Photographic image
Description:Quercus (oak), close-up of tips of three reddish-brown twigs with lenticels, Quercus velutina (black oak) on left with three brown tightly scaled buds, Quercus coccinea (scarlet oak) in center and Quercus rubra (northern red oak) on the right with four buds and whitish, hairy tips
Extent: 1 slide
Quercus rubra (northern red oak), acorns (3.57883)
Date: December 1972Creator: Reynolds, P. J.
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up view of two acorns in first year of development
Extent: 1 slide
Quercus rubra (northern red oak), tree trunk and bark (3.57800)
Date: November 1968Creator: Coulter, Ronald M.
Type: Photographic image
Description:Quercus rubra (northern red oak), partial view of tree trunk splitting into three upright limbs; bark is dark gray with long, broad vertical ridges with some patchy areas of smooth and lighter gray bark. The tree is situated in a densely wooded area.
Extent: 1 slide
Quercus rubra (northern red oak), tree trunk and bark (3.57799)
Date: March 1980Type: Photographic image
Description:Quercus rubra (northern red oak), partial view of the lower half of multiple tree trunks, seemingly conjoined at the base which is snow-covered; the bark on the trunks is typical of the northern red oak, with long, broad, smooth vertical ridges and dark gray color.
Extent: 1 slide
Quercus rubra (northern red oak), buds and leaves, spring (3.57798)
Date: May 1973Creator: Lamp, Herbert F.
Type: Photographic image
Description:Quercus rubra (northern red oak), closeup detail of new leaves, reddish in color, emerging from buds at the tip of a twig.
Extent: 1 slide
Quercus rubra (northern red oak), tree trunk and bark (3.57797)
Date: November 1968Creator: Coulter, Ronald M.
Type: Photographic image
Description:Quercus rubra (northern red oak), partial view of lower half of tree trunk that has dark gray bark with long, broad, smooth vertical ridges; tree is situated on grassy grounds among other trees of similar size.
Extent: 1 slide
Quercus rubra (northern red oak), bark (3.57796)
Date: April 1978Type: Photographic image
Description:Quercus rubra (northern red oak), closeup detail of dark gray bark with long, broad, smooth ridges and shallow fissures
Extent: 1 slide
Quercus rubra (northern red oak), bark (3.57795)
Date: August 20 1973Creator: Stickney, William S.
Type: Photographic image
Description:Quercus rubra (northern red oak), closeup detail of dark gray bark with long, broad, smooth ridges and shallow fissures.
Extent: 1 slide
Quercus rubra (northern red oak), bark (3.57794)
Date: May 1983Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), closeup detail of dark gray bark with long, broad, smooth ridges and shallow fissures.
Extent: 1 slide
Quercus rubra (northern red oak), bark, twig and buds detail (3.57793)
Date: April 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), split image: on the left, detail of bark that is dark gray with long, broad, smooth ridges; on the right, detail of several reddish scaly buds near tip of reddish twig with lenticels and bud scars.
Extent: 1 slide
Quercus rubra (northern red oak), twig in bloom (3.57791)
Date: May 1983Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), close up detail of new bristle-tipped, reddish leaves and emerging reddish-green catkins dangling from tip of pale gray twig set against blue background
Extent: 1 slide
Quercus rubra (northern red oak), twig in bloom (3.57790)
Date: May 1966Type: Photographic image
Description:Quercus rubra (northern red oak), close up detail of new bristle-tipped, reddish leaves and emerging reddish-green catkins dangling from tip of pale gray twig set against blue background
Extent: 1 slide
Quercus rubra (northern red oak), emerging catkins and leaves detail (3.57789)
Date: December 1972Creator: Reynolds, P. J.
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up showing young yellow-green male flowers and leaves at tip of twig
Extent: 1 slide
Quercus rubra (northern red oak), twig in bloom (3.57788)
Date: May 1966Type: Photographic image
Description:Quercus rubra (northern red oak), several reddish-green catkins and young leaves with long stalks drooping from end of twig set against blue background
Extent: 1 slide
Quercus rubra (northern red oak), twig in bloom (3.57787)
Date: May 1966Type: Photographic image
Description:Quercus rubra (northern red oak), close up of pale gray twig with a pair of acorns, new bristle-tipped, reddish-green leaves with long stalks and three groups of emerging reddish-green catkins dangling near tip set against blue background
Extent: 1 slide
Quercus rubra (northern red oak), twig in bloom (3.57786)
Date: May 1966Type: Photographic image
Description:Quercus rubra (northern red oak), close-up of pale gray twig with lateral buds, young pale green drooping leaves with long stalks and several yellowish-green hanging catkins set against blue background
Extent: 1 slide
Quercus rubra (northern red oak), twig in bloom (3.57785)
Date: May 1966Creator: Scott, Marion
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up showing new bristle-tipped, reddish-green leaves, two solitary tiny red female flowers in leaf axils and several drooping pale green catkins, on a section of pale gray twig with a reddish-brown pointed bud and two immature acorn cups set against blue background
Extent: 1 slide
Quercus rubra (northern red oak), twigs in bloom (3.57784)
Date: May 1966Type: Photographic image
Description:Quercus rubra (northern red oak), detail of pale gray twigs with young acorns, new reddish-green leaves, and emerging and drooping yellow-green catkins near tip set against blue background
Extent: 1 slide
Quercus rubra (northern red oak), catkins detail (3.57783)
Date: December 1972Creator: Reynolds, P. J.
Type: Photographic image
Description:Quercus rubra (northern red oak), magnified view of emerging yellowish-green male flowers set against black background
Extent: 1 slide
Quercus rubra (northern red oak), female flowers detail (3.57782)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up view of two female flowers detailing tiny red spikes in leaf axils and fine yellowish hairs on green stem set against black background
Extent: 1 slide
Quercus rubra (northern red oak), female flowers detail (3.57781)
Date: December 1972Creator: Reynolds, P. J.
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up image showing pair of female flowers with tiny pale red spikes and fine white hairs near leaf stem
Extent: 1 slide
Quercus rubra (northern red oak), female flowers detail (3.57780)
Date: May 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), close up image of several female flowers detailing tiny red spikes in three leaf axils and fuzzy white hairs on green stem
Extent: 1 slide
Quercus rubra (northern red oak), emerging flowers and leaves detail (3.57779)
Date: April 1978Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up section of twig with several yellowish-green hanging catkins and two tiny female flowers in axils of new pale green leaves, and inset image detailing section of female flower with magnified view of fuzzy red spike
Extent: 1 slide
Quercus rubra (northern red oak), bud detail (3.57778)
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up of a several brown scaly and pointed buds clustered at end and near tip of reddish-brown twig with bud scars and lenticels set against black background
Extent: 1 slide
Quercus rubra (northern red oak), twig and buds detail (3.57777)
Date: May 1983Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), detail of several reddish scaly buds near tip of reddish twig with lenticels and bud scars
Extent: 1 slide
Quercus rubra (northern red oak), bud detail (3.57776)
Date: January 1973Creator: Reynolds, P. J.
Type: Photographic image
Description:Quercus rubra (northern red oak), detail of reddish-brown scaly and pointed buds clustered at tip of twig with lenticels set against blue background
Extent: 1 slide
Quercus rubra (northern red oak), twig and buds detail (3.57775)
Date: March 1966Type: Photographic image
Description:Quercus rubra (northern red oak), lateral and a cluster of four buds and bud scars at end of pale gray twig tip set against black background
Extent: 1 slide
Quercus rubra (northern red oak), habit (3.57774)
Type: Photographic image
Description:Quercus rubra (northern red oak), yellow leaves on mature tree amongst shrubs and nearby trees showing fall color
Extent: 1 slide
Quercus rubra (northern red oak), snow-covered twig and leaves (3.57773)
Creator: Kohout, John
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up view of snow-covered twig and russet leaves remaining on tree
Extent: 1 slide
Quercus rubra (northern red oak), immature acorn cups detail (3.57771)
Date: December 1972Creator: Reynolds, P. J.
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up view of two acorns in first year of development showing detail of yellow and brown cup with appressed scales
Extent: 1 slide
Quercus rubra (northern red oak), three acorns (3.57770)
Date: December 1980Creator: Kohout, John
Type: Photographic image
Description:Quercus rubra (northern red oak), close-up showing three brown acorns with barrel-shaped nuts and shallow, tightly scaled cups sitting on dark green Polytrichum
Extent: 1 slide
Quercus rubra (northern red oak), acorns and leaves (3.57769)
Date: May 1983Creator: Kohout, Kitty
Type: Photographic image
Description:Quercus rubra (northern red oak), twig detail showing pair of brown acorns, barrel-shaped nuts with shallow, tightly scaled cups amongst green leaves with long stalks
Extent: 1 slide
Quercus rubra (northern red oak), seedling leaves (3.57768)
Date: May 18 1973Type: Photographic image
Description:Quercus rubra (northern red oak), close-up showing cluster of bright green leaves of seedling at Dunklee's Grove in Fischer Woods, DuPage County Forest Preserve
Extent: 1 slide
Quercus rubra (northern red oak), sprouting acorn (3.57767)
Date: December 1972Type: Photographic image
Description:Quercus rubra (northern red oak), close-up of sprouting acorn showing small yellow shoot drooping at tip of brown nut sitting in soil with blue background
Extent: 1 slide
Quercus rubra (northern red oak), sprouting acorn (3.57766)
Date: April 1960Type: Photographic image
Description:Quercus rubra (northern red oak), close-up of acorn showing greenish-brown nut split open with exposed internal yellow sprout
Extent: 1 slide
Quercus rubra (northern red oak), russet leaf (3.57765)
Type: Photographic image
Description:Quercus rubra (northern red oak), detail of russet leaf on tree showing red bristle tips
Extent: 1 slide