. The botany of crop plants; a text and reference book. Botany, Economic. 590 • BOTANY OF CROP PLANTS Geographical.—All the species in this genus are natives of South America. Dunal, in DeCandoUe's Prodromus, gives lo species of Lycopcrsiciim; this number is reduced, however, by some writers. Tomatoes are warm season "vegetables" that require transplanting in central and northern latitudes. Important Species and Varieties,—There is a difference of opinion whether to consider certain forms of tomatoes species or only varieties. For example, Bailey recognized. Fig. 240.—Cross-section o
. The botany of crop plants; a text and reference book. Botany, Economic. 590 • BOTANY OF CROP PLANTS Geographical.—All the species in this genus are natives of South America. Dunal, in DeCandoUe's Prodromus, gives lo species of Lycopcrsiciim; this number is reduced, however, by some writers. Tomatoes are warm season "vegetables" that require transplanting in central and northern latitudes. Important Species and Varieties,—There is a difference of opinion whether to consider certain forms of tomatoes species or only varieties. For example, Bailey recognized. Fig. 240.—Cross-section of mature fruit of cultivated tomato (Lycopersicon esculentum). but two cultivated species of Lycopcrsicum: L. esculentum, the common tomato, and L. pimpinellifolium, the currant tomato. L. esculentum is, according to Bailey, divided into the following varieties: 1. L. esculentum vulgare, garden tomato. 2. L. esculentum var. cerasiforme, cherry tomato. 3. L. esculentum var. pyriforme, pear or plum tomato. 4. L. esculentum var. validum, upright tomato. 5. L. esculentum var. grandifolium, large leaf tomato. L. pimpinellifolium is not subdivided. On the other hand, Tracy regards as distinct species: L. pimpinellifolium, 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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