1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
TURNIP, Brassica campestris, var. Rapa, a hardy biennial, found in cornfields in various parts of England. It has been cultivated from a remote period for its fleshy roots. The tender growing tops are also used in spring as a green vegetable. The so-called " root " is formed by the thickening of the primary root of the seedling together with the base of the young stem (hypocotyl) immediately above it. The great mass of the " root " consists of soft " wood " developed internally by the cambium layer and composed mai…
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- Vol. 27, pp. 480-480