1 jack pine | Definition of jack pine

jack pine

noun

Definition of jack pine

: a slender pine (Pinus banksiana) of northern North America that has two stout needles in each fascicle and wood used especially for pulpwood — see cone illustration

Examples of jack pine in a Sentence

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Kirtland’s warblers lay eggs in nests built on the ground under the low-hanging branches of jack pine trees. Michigan Wildlife Council, Detroit Free Press, "Pining for a comeback: Habitat management boosts Kirtland’s warbler numbers," 4 June 2019 To circumvent this the state instituted tree harvests for some of Michigan’s oldest jack pine and aspen stands about 30 years ago. Michigan Wildlife Council, Detroit Free Press, "Seeing the forest for the trees: Healthy forests bring abundant wildlife," 7 Mar. 2018 The southern pine beetle’s primary targets are pitch pines, red pines and jack pines. Washington Post, "Pine-killing southern beetle may be more deadly in North," 10 June 2018 Regional replanting can include up to 19 native species, from white spruce and jack pine to hemlock and Douglas fir. Luc Forsyth, National Geographic, "For Cash and Pride, Replanting Canada's Forests by the Millions," 8 June 2018 Wildfires historically swept through the region every few decades, burning down larger jack pines and popping open cones that produced new ones, ensuring an adequate supply of young trees for the warblers. Washington Post, "Feds propose dropping songbird from endangered species list," 11 Apr. 2018 Wildfires historically swept through the region every few decades, burning down larger jack pines and popping open cones that produced new ones, ensuring an adequate supply of young trees for the warblers. John Flesher, Fox News, "Feds propose dropping songbird from endangered species list," 11 Apr. 2018 Kirtland’s warblers build nests each spring at the feet of jack pines between 5 and 23 years old and 5 to 15 feet, which are abundant in the sandy soils of northern Michigan. John Flesher, Detroit Free Press, "Feds propose dropping Kirtland's warbler from endangered list," 11 Apr. 2018 Kirtland’s warblers build nests each spring at the feet of jack pines between 5 and 23 years old and 5 to 15 feet (1.7 to 5 meters) high, which are abundant in the sandy soils of northern Michigan. Washington Post, "Feds propose dropping songbird from endangered species list," 11 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'jack pine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of jack pine

1863, in the meaning defined above

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More from Merriam-Webster on jack pine

Britannica.com: Encyclopedia article about jack pine