. Common weeds of the Canadian Prairies;. Weeds. A perennial with an erect, stout stem 1 to 2i feet tall. Leaves 1^ to 4 inches long, lance- olate, sometimes slightly toothed, stalkless, continuing down the sides of the stem. Numer- ous flower heads I to H inches across, with high, rounded, yellow centers and yellow ray florets to i inch long. Common in low places throughout western portions, thought to be poisonous to livestock and to produce a taint in milk. Helianthus lenticularis Dougl. SHOWY SUNFLOWER A tall, stout-stemmed annual 3 to 6 feet high. Stems rough, often with short, bristly ha
. Common weeds of the Canadian Prairies;. Weeds. A perennial with an erect, stout stem 1 to 2i feet tall. Leaves 1^ to 4 inches long, lance- olate, sometimes slightly toothed, stalkless, continuing down the sides of the stem. Numer- ous flower heads I to H inches across, with high, rounded, yellow centers and yellow ray florets to i inch long. Common in low places throughout western portions, thought to be poisonous to livestock and to produce a taint in milk. Helianthus lenticularis Dougl. SHOWY SUNFLOWER A tall, stout-stemmed annual 3 to 6 feet high. Stems rough, often with short, bristly hairs. Leaves coarsely toothed, alternate, ovate, often with cordate bases, 4 to 8 inches long. Heads 3 to 6 inches across, with dark-brown or purple center. Common on clay and heavier soils and along roadsides in southwest. 41. 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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Keywords: ., bookcentury1900, bookpublisherottawaqueensprin, booksubjectweeds
