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Rosettes and Whorls

Herbarium Specimens


to the left: Dryas octopetala (White Dryas, Rosaceae): leaf rosette, leaf blade with short petiole, slim, egg-shaped leaves with cordate bases and clearly and regularly serrate margins; single flowers on usually long peduncles, 2 - 4 cm in diameter. The flowers have 7 - 9, often even more, white, egg-shaped petals. The sepals are lanceolate. - middle picture: Paris quadrifolia (Herb-Paris, Trilliaceae): At the base of the peduncle inserts a leaf whorl of 3 - 8 simple leaves with more or less developed leaf stalks. - to the right: Silene nutans (Nottingham Catchfly, Caryophyllaceae): The leaves are ensiform-lanceolate, the ground leaves are always arranged slightly rosette-like and are bigger than the sparse, opposite leaves at the stem.



© Peter v. Sengbusch - b-online@botanik.uni-hamburg.de