. The botany of crop plants; a text and reference book. Botany, Economic. 460 BOTANY OF CROP PLANTS shaped seeds 8 to 12 millimeters long. In catjang, the pods are small, 3 to 5 inches long, and usually erect or ascending (Fig. 194). In the cowpea, the pods are 8 to 12 inches long, and become pendant with age. The cowpea is by far the most important, Fig. 194.—A, flowers and fruit of catjang (Vigna catjang); B, flowers and fruit of cowpea (Vigna sinensis). (After U. S. Dept. of Agri.) VIGNA SINENSIS (Cowpea) Description.—The cowpea is a vigorous annual herb with a strong tap roo
. The botany of crop plants; a text and reference book. Botany, Economic. 460 BOTANY OF CROP PLANTS shaped seeds 8 to 12 millimeters long. In catjang, the pods are small, 3 to 5 inches long, and usually erect or ascending (Fig. 194). In the cowpea, the pods are 8 to 12 inches long, and become pendant with age. The cowpea is by far the most important, Fig. 194.—A, flowers and fruit of catjang (Vigna catjang); B, flowers and fruit of cowpea (Vigna sinensis). (After U. S. Dept. of Agri.) VIGNA SINENSIS (Cowpea) Description.—The cowpea is a vigorous annual herb with a strong tap root which sends out large side roots almost horizontally for i or 2 feet (Fig.' 195). The greater part of the root system Hes in the first i ^ feet of soil. The varieties vary in habit from prostrate trailing herbs to tall and half-bushy forms. The cowpea has an indeterminate growth, that is, it continues to grow indefinitely, providing environmental conditions are favorable. As in the majority of plants vegetative growth is favored by an abundance of water and. 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 Robbins, Wilfred William, 1884-1952. Philadelphia, P. Blakiston's Son & Co
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectbotanyeconomic