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~~ <br />u <br /> <br />with American vetch (Vica americans), asters (Aster spp.), blue wild-rye (Elymus <br />laucus), cinquefoils (Poten[illa spp.), wild-daisies (Erigeron spp.), and yar- <br />rows (Achilles spp.). The specific name, leucanthus, is a Greek word meaning <br />white-flowered. <br />Opinions differ as to the palatability of aspen peavine. Some observers state <br />that it is nearly if not quite as palatable as American vetch, which is one of i <br />[he best range weeds; others maintain that is is almost worthless as a forage <br />plant. Probably its [rue value lies somewhere between these extremes. Ordinar- <br />ily, sheep and cattle as we 11 as goats graze aspen peavine readily, although in ~ <br />Utah and southern Idaho sheep usually do not graze it much until after the firs[ <br />frost. Horses graze i[ in [he fall after the pods are mature and quickly put on <br />good, hard fat when a plentiful supply of this plant is available. Deer and elk <br />also forage aspen peavine. ' <br />Lupinus spp. <br />(Lupines) <br />Tailcup lupine, sometimes called silver lupine, is a perennial herb of the pea <br />family (Leguminosae). The specific name is a Latin word meaning [ailed (from <br />cauda, tail), and alludes to the short prolongation backward of the upper <br />part of the calyx, or outer floral cup; hence the common name, [ailcup lupine. <br />This plant ranges from Washington and Oregon (east of the Cascades) to California <br />(chiefly, if not entirely, east of [he Sierra Nevada Mountains), Nevada, Colo- <br />rado, and Idaho. IC may possibly also inhabit Arizona, New Mexico and Montana, <br />although i[ is no[ now definitely known as occurring in those states. It grows <br />chiefly between elevations of about 3,000 and 8,500 feet, characteristically <br />appearing in rather dry, well-drained soils from [he sagebrush type up to open <br />coniferous timber stands. It is one of the common lupines in the ponderosa pine <br />belt, growing chiefly in parks and openings where, especially in California, it <br />is often associated with Idaho fescue (Festuca idahoensis) and bitterbrush (Pur- <br />shia tridentata). Tailcup lupine is fairly common over much of its range and <br />often is locally abundant. <br />2-84 <br />