. Common weeds of the Canadian Prairies;. Weeds. Fagopyrum tataricum (L.) Gaertn. TARTARY BUCKWHEAT Annual with alternate, entire leaves, roughly triangular, 1 to 4 inches long. Flowers small, white, in bunches on flowering stems arising from leaf axils. Seeds about size of wheat kernel. Introduced, a serious pest in northern and central Galeopsis tetrahit L. HEMP-NETTLE A hairy, rough annual 1 to 3 feet high. Stems usually swollen below nodes. Leaves 2 to 4 inches long, ovate and coarsely toothed. Flowers in both terminal and axillary clusters, with sharp needle-pointed calyx teeth.
. Common weeds of the Canadian Prairies;. Weeds. Fagopyrum tataricum (L.) Gaertn. TARTARY BUCKWHEAT Annual with alternate, entire leaves, roughly triangular, 1 to 4 inches long. Flowers small, white, in bunches on flowering stems arising from leaf axils. Seeds about size of wheat kernel. Introduced, a serious pest in northern and central Galeopsis tetrahit L. HEMP-NETTLE A hairy, rough annual 1 to 3 feet high. Stems usually swollen below nodes. Leaves 2 to 4 inches long, ovate and coarsely toothed. Flowers in both terminal and axillary clusters, with sharp needle-pointed calyx teeth. Petals I to 1 inch long, purple or pink variegated with white. Seeds egg-shaped, i inch long, grayish- brown. Introduced from Europe, a bad weed in northern and eastern portions where moisture conditions are 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
