Didierea trollii
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Didierea trollii |
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| Capuron & Rauh |
Didierea trollii is a dioecious plant species from the genus Didierea in the family Didiereaceae . The plant was named after Wilhelm Troll (1897–1978), a professor of botany at the University of Mainz and the founder of the Botanical Garden in Mainz.
description
Didierea trollii grows with first prostrate, later with erect shoots and becomes up to 2 meters high or even higher. The 2 to 3 centimeters thick, gray-green shoots are provided with spirally arranged and flat warts. On these warts there are areoles with 1 to 3 centimeters long, gray-colored and radiating thorns. There are 5 elongated elliptical or obovate leaves. They are 15 to 25 millimeters long and 3 to 8 millimeters wide.
The whitish to greenish yellow flowers are very crowded together. The stigma is light pink in color and the fruits are 5 to 7 millimeters long.
Distribution and systematics
Didierea trollii is distributed in the south of Madagascar , from Ampotaka to Ifotaka .
The first description of the species was established in 1961 by René Paul Raymond Capuron and Werner Rauh . There is an invalid description of the species as Didierea arachnoides .
literature
- DG Rowley: Didierea . In: Urs Eggli (Ed.): Succulents Lexicon Volume 2 Dicotyledonous plants (dicotyledons). Ulmer, Stuttgart 2002, ISBN 3-8001-3915-4 , p. 101.
Individual evidence
- ↑ Adansonia , Volume 1, pp. 39-43, 1961
Web links
- Plant portrait from the Mainz Botanical Garden