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Native Plants As Habitat For Wildlife - Native Plant Society of ...

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They grow well on poor sandy or gravely soils in full sun.<br />

Use:<br />

Jack pines are useful in naturalization on poor soils. They make interesting specimen<br />

trees where a twisted gnarled appearance is wanted.<br />

Propagation:<br />

Seed<br />

Pinus contorta var. lattfolia (lodgepole pine)<br />

Description:<br />

The species name "contorta" means twisted and may be a reference to the gnarled<br />

branches, the twisted needles, or the coastal variety <strong>of</strong> this tree. The common name refers<br />

to the use <strong>of</strong> the wood in teepees and lodges by Indigenous peoples who also used the<br />

resin for water-pro<strong>of</strong>ing canoes, baskets, moccasins and other articles. Lodgepole pine is<br />

native to the Rocky Mountains and Cypress Hills. Once commonly called "cypress", the<br />

Cypress Hills <strong>of</strong> Alberta and Saskatchewan<br />

were named for this conifer.<br />

Up to 20 m in height, lodgepole pines have a life span <strong>of</strong> up to 200 years. The trunk is<br />

tall, straight and has little taper. The needles are dark green to yellow-green, in bundles <strong>of</strong><br />

two, twisted and sharp-pointed. Within the bundle they are parallel rather than spread out.<br />

The cones are claw-shaped, with each scale having a sharp but fragile bristle or point.<br />

The tips <strong>of</strong> the cones point backward toward the trunk <strong>of</strong> the tree. The cones usually<br />

remain closed and persist on the tree for 10 to 20 years, opening when exposed to the heat<br />

<strong>of</strong> fire or direct sunlight – which s<strong>of</strong>tens the resin holding the scales together. The root<br />

system consists <strong>of</strong> a tap root and spreading lateral roots. Where their ranges overlap,<br />

lodgepole pine hybridizes freely with jack pine.<br />

Culture:<br />

It will grow in full sun on a wide range <strong>of</strong> soils.<br />

Use:<br />

Lodgepole pine is useful for screening, as a specimen tree and in shelterbelts.<br />

Potentilla fruticosa (cinquefoil)<br />

Description:<br />

Potentilla is from the word "potens" meaning power, a reference to the medicinal power<br />

<strong>of</strong> some species. "Illa" means small. Thus we have a small plant <strong>of</strong> great power -<br />

certainly a tough one with a long period <strong>of</strong> bloom.<br />

<strong>Native</strong> to the prairies, the species has deep yellow, buttercup-like flowers up to 2.5 cm (1<br />

in.) in diameter which are borne in small clusters at the end <strong>of</strong> branches through the<br />

40

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