. The botany of crop plants; a text and reference book. Botany, Economic. CHAPTER XXXVII CONVOLVULACE^ (Morning Glory FamUy) corolla tube -^'â slarmn The representatives of this family are found chiefly in warm climates. There are close to 900 species in 400 genera. A number are of economic importance, among which may be mentioned the sweet potato, man-of-the-earth {Ipomcea pan- durata), used as food by the Indians, moon-flower {Ipomoda hona-nox), morning glory {Ipomcea purpurea), cypress vine {Quamoclit quamoclit) and the bindweeds {Convolvulus spp.). Habit.âMost of the repre- sentatives of t
. The botany of crop plants; a text and reference book. Botany, Economic. CHAPTER XXXVII CONVOLVULACE^ (Morning Glory FamUy) corolla tube -^'â slarmn The representatives of this family are found chiefly in warm climates. There are close to 900 species in 400 genera. A number are of economic importance, among which may be mentioned the sweet potato, man-of-the-earth {Ipomcea pan- durata), used as food by the Indians, moon-flower {Ipomoda hona-nox), morning glory {Ipomcea purpurea), cypress vine {Quamoclit quamoclit) and the bindweeds {Convolvulus spp.). Habit.âMost of the repre- sentatives of this family are twining or trailing herbs; some tropical species are shrubs or trees, often with a milky juice. Leaves.âThe leaves are alter- nate, exstipulate, entire, den- tate, lobed, or dissected. Inflorescence and Flowers.âThe flowers are in an axil- lary cyme, or sometimes soHtary. They are regular, perfect and sympetalous (Fig. 228). The calyx is attached below the ovary, five-parted or five-divided, usually persistent, aiid imbricated in .the bud. The corolla is plaited, convolute, or twisted in the bud, and becomes funnel-form, salver-form, campanulate, or tubular, with a five-angled, or five-lobed, or entire limb (Fig. 228). The five stamens are inserted on the 554. -ovari) cohx Fig. 228.âFlower of sweet potato (Ipomoea batatas), length- wise section. (After Sargent-). 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
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectbotanyeconomic
