. Common weeds of the Canadian Prairies;. Weeds. Artemisia frigida Willd. PASTURE SAGE A perennial from a somewhat woody base, to 20 inches high, silvery-gray, with dense silky hair. Leaves ^ to H inches long, several times divided into linear segments. Flower heads many, yellow, in terminal racemes. Has a distinct odor when handled. Quite common and very conspicuous in overgrazed Asclepias speciosa Torr. SHOWY MILKWEED An erect, milky-sapped perennial with deep taproots, usually in large colonies, to 21 feet high. Leaves broad, oval, rounded or somewhat heart-shaped at base, with w
. Common weeds of the Canadian Prairies;. Weeds. Artemisia frigida Willd. PASTURE SAGE A perennial from a somewhat woody base, to 20 inches high, silvery-gray, with dense silky hair. Leaves ^ to H inches long, several times divided into linear segments. Flower heads many, yellow, in terminal racemes. Has a distinct odor when handled. Quite common and very conspicuous in overgrazed Asclepias speciosa Torr. SHOWY MILKWEED An erect, milky-sapped perennial with deep taproots, usually in large colonies, to 21 feet high. Leaves broad, oval, rounded or somewhat heart-shaped at base, with whitish down, 3 to 6 inches long. Flowers pinkish-purple to flesh- colored, T to i inch across, in dense, round umbels 2 to 3 inches in diameter. Fruit a folHcle or large pod, containing many tufted Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Canada. Dept. of Agriculture. Research Branch. Ottawa, Queen's Printer
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