Allanblackia floribunda
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Allanblackia floribunda is a large tree native to west- central Africa in the Clusiaceae family. It occurs from Cameroon , Nigeria , Benin to the Congo and Uganda and is also known as sebum tree or butter tree .
Allanblackia floribunda is often confused with Allanblackia parviflora .
description
Allanblackia floribunda is an evergreen tree up to 30 meters high . The trunk diameter can be up to 150 centimeters. The brownish bark is slightly scaly. The branches are often hollow. It has a yellowish milky juice .
The leathery, glossy leaves are opposite, glabrous and short-stalked. They are ovate or obovate to elliptical and up to 25 centimeters long and pointed to pointed. The leaf margins are whole, the underside and median vein are light green. Stipules are missing.
Allanblackia floribunda is dioecious segregated sex diocesan . Slightly reduced, terminal clusters or panicles are formed. The large flowers only appear up to two in the leaf axils. The five-fold, long-stalked and fragrant flowers with a double flower envelope are pink to reddish, rarely white with green sepals. The male flowers have many stamens in five, club-shaped bundles, the anthers are located on the inside, close together. The male flowers have a star-shaped disc with wrinkled glands. The female flowers have a permanent top, incomplete fünfkammerigen ovary with sedentary, radial and fünflappiger scar and some small staminodes, there are five major nectar glands present.
Very large, egg-shaped to ellipsoidal, brownish berries are formed, they can be up to 20–50 centimeters tall. They have five more or less visible longitudinal grooves, sides. The up to 40–80 large and heavy seeds, in a yellow-reddish, slimy pulp, are ovate or rounded to ellipsoidal and up to 3–4 centimeters long, with a reddish aril . 100 seeds weigh about 1 kilogram.
use
A fat can be obtained from the seeds, bouandja (o) fat, butter or allanblackia oil, fat or butter. The pulp is edible and is made into jam and jelly .
The bark is used medicinally.
literature
- HAM van der Vossen, GS Mkamilo: Plant resources of tropical Africa. 14: Vegetable oils , PROTA, 2007, ISBN 978-90-5782-191-2 , p. 25 ff.
- R. van Rompaey: Distribution and ecology of Allanblackia spp. (Clusiaceae) in African rain forests with special attention to the development of a wild picking system of the fruits (Clusiaceae) in African rain forests. Report to Unilever Research Laboratories, Vlaardingen, 2003, doi: 10.13140 / RG.2.2.19915.59683 .
Web links
- Allanblackia floribunda at Useful Tropical Plants, accessed November 6, 2018.