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Adenophora (gland-bearing; referring to the cylindrical nectary which surrounds the base of the style). Campanulaceae. Campanula-like border perennials.
Herbs, differing from Campanula chiefly by the style being surrounded by a cylindrical gland: corolla ball- shaped, 5-lobed: stamens free from corolla, the filaments dilated and ciliate toward base; caps. 3-celled.— About 14 species of hardy herbaceous perennials in Siberia, China and Japan. Fls. blue, nodding, on short pedicels, produced freely in midsummer in slender but stiff, erect panicles or loose racemes.—For cult. see Campanula.
Propagation is by seeds or cuttings in spring. The plants do not take kindly to division or other disturbance of the roots. Many other species than those in the trade are worthy.
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