Emmenosperma
| Emmenosperma | ||||||||||||
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Emmenosperma alphitonioides , foliage |
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| Emmenosperma | ||||||||||||
| F. Garbage. |
Emmenosperma is a genus from the family of Buckthorn family ( Rhamnaceae ). The five species in the genus are native to Australia, New Zealand, New Caledonia, and the Fiji Islands.
description
Emmenosperma are evergreen trees or shrubs, unlike many other genera of the family, there are no spines or thorns. The leaves are arranged alternately or opposite.
The inflorescences are trichotome cymes , which in turn stand in axillary or terminal panicles . The flower cup is cup-shaped, the discus that has grown together with the flower cup is thin. The ovary is half below to above and has two to three compartments.
The fruits are capsules . The seeds are rich in protein and even after the pericarp has fallen off, they still survive on the former flower stalk .
distribution
The species of the genus Emmenosperma are distributed in Australia, New Zealand, New Caledonia and on the Fiji Islands.
Systematics
The genus was first described by Ferdinand von Mueller in 1862 , its exact position within the buckthorn family is unclear. The genus includes five species including:
- Emmenosperma alphitonioides F. Muell.
- Emmenosperma cunninghamii Benth.
- Emmenosperma pancherianum Baill.
proof
- ↑ a b c d e D. Medan, C. Schirarend: Rhamnaceae In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales , 2004, p. 336, ISBN 978-3-540-06512-8
