ACTA AGROBOTANICA Vol. 62 (2): 13–21 2009 THE POSITION AND STRUCTURE OF THE NECTARY IN SPRING HEATH (Erica carnea L.) FLOWERS Elżbieta Weryszko-Chmielewska1, Mirosława Chwil1, Marek Wróbel2 1Department of Botany, University of Life Sciences in Lublin, 20-950 Lublin, Akademicka 15, Poland, e-mail:
[email protected] 2Central Apparatus Laboratory, University of Life Sciences in Lublin, B. Dobrzańskiego 3, 20-290 Lublin, Poland Received: 7.07.2009 Abstract which contains numerous tiny seeds (H egi, 1959; Ecological traits of Erica carnea L. flowers and the Szweykowscy, 2003; Czekalski, 2008). morphology of floral nectaries were investigated using stereosco- Erica carnea L. has flowers with pink, light car- pic, light and scanning electron microscopy. The nectary in the mine or white corollas forming short hanging racemes. flowers of Erica carnea is located in the basal part of the ova- It flowers from March to May. Evergreen leaves are ry. It represents the gynoecial nectary type. It has the form of 8 mm long; they are needle-like, dark green and are a yellow, ribbed ring with eight outgrowths, pointed towards the borne in whorls of four. Erica carnea L. is native to the base, which alternately adjoin the stamen filaments. The height mountainous areas of South and Central Europe. This of the nectary is 400 μm and its thickness 200 – 250 μm. The is a plant very frequently grown in gardens. Represent- parenchyma of the nectary is composed of 6 – 8 layers. Nectar atives of this species are clumped shrublets, reaching secretion occurs through anomocytic stomata with a diameter of a height of 20 – 50 cm (Podbielkowski and S u d - 17 μm.