Lamiodendron magnificum
| Lamiodendron magnificum | ||||||||||||
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| Systematics | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Lamiodendron | ||||||||||||
| Steenis | ||||||||||||
| Scientific name of the species | ||||||||||||
| Lamiodendron magnificum | ||||||||||||
| Steenis |
Lamiodendron magnificum is a plant type from the family of the Bignoniaceae (Bignoniaceae). It is the only species in the genus Lamiodendron . The distribution area of the species is in New Guinea .
description
Lamiodendron magnificum is an evergreen to 20 meter high tree . Its stem axis is hairless.
The imparipinnate, stalked leaves with 9–11 leaflets are opposite. The pointed, bald leaflets are short stalked and with entire margins.
The inflorescences are axillary grapes or thyrses , which consist of only a few flowers , and in the leaf axils there are often stunted flowers to be found. The stalked hermaphrodite flowers are double- inflated . The calyx is cup-shaped and has five equally shaped calyx tips. The long crown is broadly bell-shaped with short lobes and almost circular and bright orange to apricot-colored. The four stamens , hairy at the base, are only slightly above the crown. The dust bags are hairless and consist of two diverging counters. In addition to the fertile stamens, a shorter staminodium is formed. The glandular and hairy, long, elongated, upper and continuous quadrangular -rippige ovary is cylindrical. Each ovary compartment contains several ovules . The ovary very long, filamentous stylus is partially surrounded by a cup-shaped base of the flower surrounded.
The fruits are elongated, many-seeded capsules , on which the calyx is not permanent. The valves of the capsules are hairless, the many seeds are winged.
The number of chromosomes is 2n = 48.
distribution
The species is common in eastern New Guinea .
literature
- E. Fischer, I. Theisen and LG Lohmann: Bignoniaceae . In: Klaus Kubitzki, Joachim W. Kadereit (eds.): Flowering Plants, Dicotyledons: Lamiales (except Acanthaceae Including Avicenniaceae) , Springer Verlag, 2004, ISBN 978-3-5404059-3-1 . P. 18.
Web links
- Lamiodendron magnificum near Flora Malesiana (illustration).
Individual evidence
- ↑ Kazuo Oginuma et al .: A Cytological Study of Some Plants from Papua New Guinea. In: Acta Phytotaxonomica et Geobotanica. Volume 49, Number 2, 1998. pp. 105-114.
- ↑ Rafaël Govaerts (Ed.): Lamiodendron - World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew. Last accessed on December 17, 2018.