• Plant: Jack Pine (Pinus banksiana)
  • Uploaded by arctangent
  • Info: Leaves / 2020-10-14 / Matthaei Botanical Gardens, Ann Arbor / License: All rights reserved
  • Caption: In addition to showing cones, this shot shows the habit of the needles to grow in fascicles of two, to twist, and to splay outward from their partners in the fascicles..
Photo of Jack Pine (Pinus banksiana) uploaded by arctangent

Other Photos
Location: Matthaei Botanical Gardens, Ann Arbor
Date: 2020-10-14
Most cones remain closed like this until an environmental trigger
Location: Matthaei Botanical Gardens, Ann Arbor
Date: 2020-10-14
A few Jack Pine cones, like this one, open without the stress of
Location: Matthaei Botanical Gardens, Ann Arbor
Date: 2020-10-14
Trailside plaque showing the two-needle growth habit and a typica
Location: Matthaei Botanical Gardens, Ann Arbor
Date: 2020-10-14
Buds that are heavily coated in resin are a characteristic of thi
Location: Morton Arboretum in Lisle, Illinois
Date: 2018-08-22
full-grown specimen
Location: Matthaei Botanical Gardens, Ann Arbor
Date: 2020-10-14
Several young specimens (at least 5 years old).  Part of the Sam
Location: Chicago Botanic Garden in Glencoe, IL
Date: 2018-08-23
cones among foliage
Location: Jardin botanique de Montréal
Date: 2014-07-6
Over a 100 years old!
Location: Chicago Botanic Garden in Glencoe, IL
Date: 2018-08-23
mature specimen in the Japanese Garden, though native
Location: Chicago Botanic Garden in Glencoe, IL
Date: 2018-08-23
short needles on branch
Location: Chicago Botanic Garden in Glencoe, IL
Date: 2018-08-23
trunk
Location: Morton Arboretum in Lisle, Illinois
Date: 2018-08-22
some immature curved cones with foliage
Location:  Blackwell Forest Preserve in Warrenville, IL
Date: 2017-09-08
a young planted tree
Location: Sugar Grove, Illinois
Date: winter in 1980's
a lone specimen planted near a highway
Location: Indiana Dunes State Park in IN
Date: 2016-07-16
a wild specimen in a dune hillside
Location:  Blackwell Forest Preserve in Warrenville, IL
Date: 2010-08-18
a lone planted specimen
Location: Sugar Grove, Illinois
Date: winter in the 1980's
the short needles
Location: Indiana Dunes State Park in IN
Date: 2016-07-16
a group on a dune hill
Location: Indiana Dunes State Park in IN
Date: 2016-07-16
foliage and cones
Location: in a bog near Indiana Dunes State Park
Date: 2016-07-16
trunk

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