{"id":116,"date":"2012-01-25T15:05:52","date_gmt":"2012-01-25T20:05:52","guid":{"rendered":"http:\/\/blogs.butler.edu\/indianaplants\/?p=116"},"modified":"2012-01-25T15:05:52","modified_gmt":"2012-01-25T20:05:52","slug":"hemlock-trees","status":"publish","type":"post","link":"https:\/\/blogs.butler.edu\/indianaplants\/2012\/01\/25\/hemlock-trees\/","title":{"rendered":"Hemlock Trees"},"content":{"rendered":"
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Hemlock on the Butler University campus<\/p><\/div>\n

Hemlock (Tsuga canadensis<\/em> ) is one of fewer than a dozen conifers, cone-bearing trees, native to Indiana.\u00a0 It is called a glacial relict because it first grew in the state at the time following the retreat of the last glaciers, around 10,000 years ago.\u00a0 As the great ice sheets that at one time over the northern 2\/3 of the state melted, vegetation reclaimed the land.\u00a0 Initially, the climate was cool and wet, similar to the boreal forest climate of today.\u00a0 As the glaciers left, the climate gradually became warmer and drier.\u00a0 Hoosier hemlocks could only grow and reproduce in our wettest and coolest remaining habitat, the mostly northward-facing slopes of deep cut ravines and steep rocky bluffs along streams and rivers.\u00a0 Think of Turkey Run and Shades Stare Parks.\u00a0 Populations of hemlock have persisted there for thousands of years!<\/p>\n

Hemlocks can be distinguished by their soft short needles, with two fine parallel white stripes on the under surface, and by their very cute, less than 1 inch long cones.\u00a0 Needles are borne singly (not in clusters like pines) in two rows on the twig.\u00a0 The very top of a hemlock tree often bends over like a flag.<\/p>\n

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Hemlock twig with cones<\/p><\/div>\n

Hemlocks are used a lot in landscaping as an evergreen ornamental in Indianapolis.\u00a0 As far as we know, all hemlocks in Marion County have been planted.<\/p>\n

This hemlock is a tree of the northern forest immortalized in the poem \u2018Hiawatha\u2019 by Longfellow and of the Appalachian Mountains, not the plant that killed Socrates.\u00a0 That hemlock, as I understand it, was poison- hemlock (Conium maculatum<\/em>), a member of the carrot family native to Europe and a non-woody plant.\u00a0 Is does grow wild in Indiana as an introduced species.<\/p>\n","protected":false},"excerpt":{"rendered":"

Hemlock (Tsuga canadensis ) is one of fewer than a dozen conifers, cone-bearing trees, native to Indiana.\u00a0 It is called a glacial relict because it first grew in the state at the time following the retreat of the last glaciers, … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":679,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-116","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/posts\/116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/users\/679"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/comments?post=116"}],"version-history":[{"count":2,"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/posts\/116\/revisions"}],"predecessor-version":[{"id":122,"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/posts\/116\/revisions\/122"}],"wp:attachment":[{"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/media?parent=116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/categories?post=116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.butler.edu\/indianaplants\/wp-json\/wp\/v2\/tags?post=116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}