{"id":25961,"date":"2023-11-13T08:00:00","date_gmt":"2023-11-13T12:00:00","guid":{"rendered":"https:\/\/www.purdue.edu\/fnr\/extension\/?p=25961"},"modified":"2025-04-06T22:22:09","modified_gmt":"2025-04-07T02:22:09","slug":"id-that-tree-blackjack-oak","status":"publish","type":"post","link":"https:\/\/www.purdue.edu\/fnr\/extension\/id-that-tree-blackjack-oak\/","title":{"rendered":"ID That Tree: Blackjack Oak"},"content":{"rendered":"<p>In this edition of ID That Tree, we&#8217;re going to introduce you to a native Indiana oak species, and that&#8217;s blackjack oak. It can be found in high, dry, rocky ridges where soil moister is limited. It can be defined by it&#8217;s bear paw shaped leaves that tend to be very shiny and waxy on top, and have a leathery texture. While on the underside it tends to have a rusty color.<\/p>\n<p><iframe loading=\"lazy\" title=\"ID That Tree: Blackjack Oak\" width=\"670\" height=\"377\" src=\"https:\/\/www.youtube.com\/embed\/qfxXDJnelA8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>If you have any questions regarding wildlife, trees, forest management, wood products, natural resource planning or other natural resource topics, feel free to contact us by using our\u00a0<a title=\"Ask an Expert\" href=\"https:\/\/www.purdue.edu\/fnr\/extension\/got-nature-blog\/ask-an-expert\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ask an Expert<\/a>\u00a0web page.<\/p>\n<p><strong>Resources:<br \/>\n<\/strong><a title=\"ID That Tree Youtube Channel Playlist\" href=\"https:\/\/www.youtube.com\/playlist?list=PLgoGnq-fak7V9w3jf2Sj_6-pNaw4sX4Ga\" target=\"_blank\" rel=\"noopener noreferrer\">ID That Tree<\/a>, Playlist, Purdue Extension \u2013 Forestry and Natural Resources (FNR) YouTube Channel (Invasive White Mulberry, Siberian Elm, Tree of Heaven)<br \/>\n<a href=\"https:\/\/www.youtube.com\/playlist?list=PLgoGnq-fak7VPjD7DpNPWCoNrhCdBFUIt\" target=\"_blank\" rel=\"noopener\">Invasive Species Playlist<\/a>, Playlist, Purdue Extension &#8211; FNR YouTube Channel (Asian Bush Honeysuckle, Burning Bush, Callery Pear, Multiflora rose)<br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=_yK8tstEacE&amp;list=PLgoGnq-fak7VTTnF4Bh9HvQnB_azYbAfY\" target=\"_blank\" rel=\"noopener noreferrer\">A Woodland Management Moment<\/a>, Playlist, Purdue Extension \u2013 FNR YouTube Channel (Against Invasives, Garlic Mustard, Autumn Olive)<br \/>\n<a href=\"https:\/\/www.youtube.com\/playlist?list=PLgoGnq-fak7XgiEFkpuQNAFa0rM4elCis\" target=\"_blank\" rel=\"noopener\">Woodland Stewardship for Landowners<\/a>, Playlist, Purdue Extension \u2013 FNR YouTube Channel (Common Buckthorn, Japanese Barberry)<br \/>\n<a href=\"https:\/\/www.nrs.fs.usda.gov\/pubs\/56498\" target=\"_blank\" rel=\"noopener\">How long do seeds of the invasive tree, <em>Ailanthus altissima<\/em> remain viable?<\/a> (Invasive Tree of Heaven), USDA Forest Service<br \/>\n<a href=\"https:\/\/www.in.gov\/dnr\/rules-and-regulations\/invasive-species\/\" target=\"_blank\" rel=\"noopener\">Indiana Department of Natural Resources: Invasive Species<\/a><br \/>\n<a href=\"https:\/\/www.entm.purdue.edu\/iisc\/\" target=\"_blank\" rel=\"noopener noreferrer\">Indiana Invasive Species Council<\/a><br \/>\n<a href=\"https:\/\/www.sicim.info\/cismas\" target=\"_blank\" rel=\"noopener\">Cooperative Invasive Species Management Area (CISMA)<\/a><br \/>\n<a href=\"https:\/\/ag.purdue.edu\/reportinvasive\/\" target=\"_blank\" rel=\"noopener\">Report Invasive<\/a>, Purdue Extension<br \/>\n<a href=\"https:\/\/iiseagrant.org\/work\/aquatic-invasive-species\/\" target=\"_blank\" rel=\"noopener\">Aquatic Invasive Species<\/a>, Illinois-Indiana Sea Grant (IISG)<br \/>\n<a href=\"https:\/\/podcasts.apple.com\/us\/podcast\/episode-11-exploring-the-challenges-of-invasive-species\/id1542816604?i=1000531593022\">Episode 11 \u2013 Exploring the challenges of Invasive Species<\/a>, Habitat University-Natural Resource University<br \/>\n<a href=\"https:\/\/www.purdue.edu\/fnr\/extension\/invasive-species\/\" target=\"_blank\" rel=\"noopener\">What are invasive species and why should I care?<\/a>, Got Nature? Blog, Purdue Extension &#8211; FNR<br \/>\n<a class=\"css-1rn59kg\" title=\"https:\/\/www.press.purdue.edu\/9781612491448\/\" href=\"https:\/\/www.press.purdue.edu\/9781612491448\/\" data-testid=\"link-with-safety\" data-renderer-mark=\"true\">Shrubs and Woody Vines of Indiana and the Midwest<\/a>, Purdue University Press<br \/>\n<a class=\"css-1rn59kg\" title=\"https:\/\/www.press.purdue.edu\/9781557535726\/\" href=\"https:\/\/www.press.purdue.edu\/9781557535726\/\" data-testid=\"link-with-safety\" data-renderer-mark=\"true\">Native Trees of the Midwest<\/a>, Purdue University Press<br \/>\n<a href=\"https:\/\/edustore.purdue.edu\/item.asp?Item_Number=FNR-482-W\" target=\"_blank\" rel=\"noopener noreferrer\">Investing in Indiana Woodlands<\/a>, The Education Store<br \/>\n<a href=\"https:\/\/edustore.purdue.edu\/item.asp?Item_Number=FNR-IDNR-414\" target=\"_blank\" rel=\"noopener noreferrer\">Forest Improvement Handbook<\/a>, The Education Store<\/p>\n<p><a href=\"https:\/\/www.purdue.edu\/fnr\/extension\/contact-us\/directory\/lenny-d-farlee\/\" target=\"_blank\" rel=\"noopener noreferrer\">Lenny Farlee<\/a>, Extension Forester<br \/>\n<a title=\"Hardwood Tree Improvement and Regeneration Center\" href=\"http:\/\/www.htirc.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">Hardwood Tree Improvement and Regeneration Center<\/a><br \/>\nPurdue Department of Forestry &amp; Natural Resources<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this edition of ID That Tree, we&#8217;re going to introduce you to a native Indiana oak species, and that&#8217;s blackjack oak. It can be found in high, dry, rocky ridges where soil moister is limited. It can be defined by it&#8217;s bear paw shaped leaves that tend to be very shiny and waxy on [&hellip;]<\/p>\n","protected":false},"author":58,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,80,45,49,54,622],"tags":[1877,256,943,60,1148,67,408,495],"class_list":["post-25961","post","type-post","status-publish","format-standard","hentry","category-forestry","category-trees","category-howto","category-plants","category-wildlife","category-woodlands","tag-blackjack-oak","tag-fnr","tag-fnr-extension","tag-forestry","tag-id-that-tree","tag-plants","tag-trees","tag-woodlands","audience-for-enthusiasts","audience-for-homeowners","audience-for-landowners","audience-for-professionals"],"acf":[],"aioseo_notices":[],"publishpress_future_action":{"enabled":false,"date":"2026-04-10 14:34:02","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"category","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/posts\/25961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/users\/58"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/comments?post=25961"}],"version-history":[{"count":5,"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/posts\/25961\/revisions"}],"predecessor-version":[{"id":32875,"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/posts\/25961\/revisions\/32875"}],"wp:attachment":[{"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/media?parent=25961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/categories?post=25961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.purdue.edu\/fnr\/extension\/wp-json\/wp\/v2\/tags?post=25961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}