ON ABNORMAL FLOWERS OF PRIMULA VULGARIS HUDS. GROWN IN CEYLON
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Quantitative analysis of flavonoids in the flowers and leaves of Ficaria verna Huds.
The quantitative determination of flavonoid compounds in flowers and leaves of Ficaria verna Huds. (Ranunculaceae) was carried out in different growing seasons of the plant, using Christ-Müller's method (Polish Pharmacopoeia, 1999) and high performance liquid chromatography (HPLC) analysis after acid hydrolysis. The flavonoid content was much higher in flowers than in leaves.
متن کاملNectar robbers pollinate flowers with sexual organs hidden within corollas in distylous Primula secundiflora (Primulaceae).
Nectar robbers are thought rarely to pollinate flowers, especially those with sexual organs hidden within corollas. In this study, we examined whether robbers pollinate flowers of distylous Primula secundiflora. Distylous plants have two floral morphs. Pin flowers have long styles and short stamens, and thrum flowers have short styles and long stamens. Flowers of P. secundiflora were commonly r...
متن کاملFloral heteromorphy in Primula vulgaris: progress towards isolation and characterization of the S locus.
BACKGROUND The common primrose, Primula vulgaris, along with many other species of the Primulaceae, exhibits floral heteromorphy in which different individuals develop one of two possible forms of flower, known as pin and thrum. Both flower types are hermaphrodite and exhibit reciprocal positions of male and female reproductive structures, which together with a sporophytic incompatibility syste...
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ژورنال
عنوان ژورنال: New Phytologist
سال: 1941
ISSN: 0028-646X,1469-8137
DOI: 10.1111/j.1469-8137.1941.tb07036.x