Pelargonium cotyledonis
| Pelargonium cotyledonis | ||||||||||||
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Pelargonium cotyledonis |
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| Pelargonium cotyledonis | ||||||||||||
| (L.) L'Hér. |
Pelargonium Cotyledonis belonging to the genus Pelargonium within the family of geraniaceae (Geraniaceae). The species was first described by Linnaeus in 1771 as Geranium cotyledonis .
description
Vegetative characteristics
The species grows as a small shrub with few branches and is up to 30 centimeters high, sometimes even higher. The rough and succulent shoots are up to 5 centimeters in diameter and are grayish-brown in color except at the tips. The leaves , which are clustered on the shoots, fall off in summer. They are simple, clearly annoyed, usually green in color, later turning reddish, have a heart-shaped blade and are 3 to 4 centimeters in diameter. The leaf stalks are 2.5 to 8 inches long. The narrow, triangular and felt-like stipules are 3 to 5 millimeters long and 1 to 2 millimeters wide.
Generative characteristics
The inflorescence is branched. Each partial inflorescence bears 5 to 15 individual flowers, the flower stalk is 4 to 8 millimeters long. The basal clearly thickened flower cup is 0.5 to 1.5 millimeters in size. The lanceolate sepals are green and 6 millimeters long and 2 millimeters wide. The five, elliptical to slightly obovate petals are white and 12 to 15 millimeters long and 5 to 7 millimeters wide. Four of the five stamens are long and one short. The pollen is colored white. The base of the partial fruits is 4 millimeters in size and has a 10 millimeter long tail.
Occurrence
Pelargonium cotyledonis is endemic to the island of St. Helena .
Taxonomy
The first description as Geranium cotyledonis was in 1771 by Linnaeus. L'Héritier placed the species in 1789 in the genus Pelargonium, which he created . It is the only species that belongs to the Isopetalum DC section .
proof
literature
- F. Albers: Pelargonium : In: Urs Eggli (Hrsg.): Sukkulentenlexikon Volume 2 Dicotyledonous plants (dicotyledons) except Aizoaceae, Asclepiadaceae, Cactaceae and Crassulaceae . Eugen Ulmer Verlag, p. 269, Stuttgart 2002, ISBN 3-8001-3915-4 .
Individual evidence
- ↑ Mantissa Plantarum Altera . Lars Salvius: Stockholm 1771 - digitized version
- ^ William Aiton: Hortus Kewensis; or, a Catalog of the Plants Cultivated in the Royal Botanic Garden at Kew . Volume 2, London 1789, p. 428 ( online ).
