. Botany of the living plant. Botany; Plants. l6a BOTANY OF THE LIVING PLANT M rianth ambers, rather than to turgor changes. For example, the opening and < losing of Crocus and Tulip flowers are due to differen- ti J growth on the inner and outer surfaces of the perianth members, temperature being the controlling factor. A fall in temperature induces closur, of the flower, while a rise results in opening. In other plants, such as Dandelion, changes in light intensity are more important than those of temperature. The closure of flowers at night or in wet weather serves to protect the inner f
. Botany of the living plant. Botany; Plants. l6a BOTANY OF THE LIVING PLANT M rianth ambers, rather than to turgor changes. For example, the opening and < losing of Crocus and Tulip flowers are due to differen- ti J growth on the inner and outer surfaces of the perianth members, temperature being the controlling factor. A fall in temperature induces closur, of the flower, while a rise results in opening. In other plants, such as Dandelion, changes in light intensity are more important than those of temperature. The closure of flowers at night or in wet weather serves to protect the inner floral organs from damage by low temperatures or by rain. In some plants, such as the Night Scented Stock (Matthiola), the flowers open II. 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 Bower, F. O. (Frederick Orpen), 1855-1948; Wardlaw, C. W. (Claude Wilson), 1901-. London, Macmillan and Co. , ltd.
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