Lovoa trichilioides
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Lovoa trichilioides, or African walnut or Dibétou , is a tree in the mahogany family native to western and central tropical Africa.
description
Lovoa trichilioides is an evergreen tree that reaches heights of growth of 45 meters. The trunk diameter can reach over 150 centimeters. Shorter buttress roots are formed. The gray-brown bark is relatively smooth, slightly cracked to scaly.
The alternate, stalked and bare leaves are paired or unpaired, often alternating, pinnate with 7–15 leaflets . The petiole is up to 3–9 centimeters long, the rachis up to about 10–30 centimeters. The short-stalked leaflets are entire and ovate to elliptical or lanceolate. The tip is rounded or rounded to pointed, tailed. The nerve is finely pinnate with a raised central vein on the underside. The stipules are missing.
There are axillary or terminal and up to 40 centimeters long, bald panicles . The functionally unisexual and short-stalked, small flowers are four to five-fold with a double flower envelope . The small, up to 2 millimeters long calyx has almost free lobes. The corolla with free and about 4-6.5 millimeters long, elongated petals is whitish and greenish, with reddish spots. The male flowers have a pestle and 8–10 tubular fused stamens , the almost seated anthers sit like a crown, each inside, on the upper, notched edge of the tube. The female flowers have a permanent top, four to fünfkammerigen ovary with short style with broad, capitate stigma , and staminodes. There is always a discus .
Hanging and many-seeded, septicidal, four- to five-columned and slightly ribbed, blackish, about 7 centimeters long, elongated and narrow, ellipsoidal capsule fruits are formed. The dark brown seeds are winged on one side and 4–6 centimeters long including wings.
The number of chromosomes is 2n = 50.
Systematics
It was first described in 1896 by Hermann August Theodor Harms in HGAEngler & KAEPrantl , Nat. Plant family 3 (4): 308.
use
The bark is used medicinally.
The medium-weight, beautiful wood is used for various applications. It is also known as African walnut , African walnut , Dibétou , Bibolo or tiger wood . It is used in furniture and guitar construction, in carpentry, in interior construction, as well as for parquet and as veneer and plywood .
literature
- Quentin Meunier, Carl Moumbogou, Jean-Louis Doucet: Les arbres utiles du Gabon. Presses Agronomiques de Gembloux, 2015, ISBN 978-2-87016-134-0 , p. 220 f, limited preview in Google book search.
- J. Gérard, D. Guibal, S. Paradis, J.-C. Cerre: Tropical Timber Atlas. Éditions Quæ, 2017, ISBN 978-2-7592-2798-3 , pp. 273 ff, limited preview in the Google book search.
Web links
- Lovoa trichilioides at Useful Tropical Plants.
- Lovoa trichilioides in PROTA.
Individual evidence
- ↑ Lovoa trichilioides Handelshölzer HG Richter and MJ Dallwitz, at the Department of Biology: University of Hamburg.
- ↑ online at biodiversitylibrary.org.