Androstachys johnsonii Prain [family EUPHORBIACEAE], in Bull. Misc. Inform., Kew (); – (). —Hutchinson in F.T.A. 6, 1: Androstachys johnsonii is a tree that can grow up to 30 metres tall. The straight, cylindrical bole can be free of branches for up to 15 metres and 60 – 90cm in. Androstachys johnsonii Prain. Higher Classification. Dicotyledons. Family. PICRODENDRACEAE. Synonyms. Androstachys subpeltatis (Sim) Phillips, Weihea.
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The sapwood is yellowish white.
Trees of southern Africa. Androstachys johnsonii Androstachys johnsonii x – 17k – jpg www. In Malaysia klin schedule C is considered most suitable.
Volume 9, part 4. BoxAH Wageningen, Netherlands. Johnsoonii Distribution Found in Southeast Africa. Androstachys johnsonii Androstachys johnsonii x – 4k – jpg www. Plant Resources of Tropical Africa. Androstachys johnsonii Androstachys Johnsonii x – 6k – jpg www.
Grain Straight; grain has no particular influence on drying, machining and finishing qualities. Poles 3 – Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo Genipa americana. Turning 30 – Embassy of Honduras in Japan. Androstachys johnsonii Wissenschatlicher Name: The fruit is bright green at first and ripens to a light yellow or reddish brown and is covered in fine bristle-like hairs.
Compilation of data on the mechanical properties of foreign woods part 3 Africa. It air dries slowly and is susceptible to checking; air drying should be done carefully, using thin stickers and under cover. Balkema, Cape Town, South Africa. Androstachys johnsonii wood in tangential section.
Botanical Description The tree reaches a height of 30 m, with diameters from 50 to 80 cm. Views Read Edit View history. Tangential diameter of vessel lumina micras or less very small. There are 65 citation in scholarly articles related to Androstachys johnsonii Prain.
Sliced Veneer Not suitable for veneering. Their dimensions are 6. Brown-colored deposits in heartwood vessels. Generic tree flora of Madagascar. Johnson, a 19th-century Director of Agriculture in Mozambique. It johsonii resistant to impregnation with preservatives. Androstachys johnsonii obtained from Zimbabweflora. Botanical Journal johsnonii the Linnean Society 95 1: Androstachys johnsonii is a gregarious species reported in mountainous areas along streams, frequently in pure stands.
The wood is extremely hard and durable. Trees lose their leaves irregularly. Color The sapwood is yellowish white. Scientific Name Androstachys johnsonii Prain. Polishing Can be polished without surface preparation. There are 5 Wikipedia citations related to Androstachys johnsonii Prain.
Weghting down of stacks during air drying is recommended as this will reduce the tendency of the timber to warp and twist. However, in several areas larger trees have been exploited heavily for their wood, and already in an area of nearly 20, ha was designated in Mozambique as reserve Baixo Pinda Forest Reserve to protect the coastal forest and enable the recovery of Androstachys johnsonii.
Rotary Veneer Cutting Not suitable for veneering. Fibers with distinctly bordered pits.
Heartwood is resistant to Lyctus attacks. There are citation in web searches related to Androstachys johnsonii Prain. Young plants are not frost tolerant. Several diterpenoid constituents have been isolated from the heartwood. Androstachys johnsonii wood in radial section. From Wikipedia, the free encyclopedia.
The wood of Androstachys johnsonii is rarely traded, probably because of limited supply, and is mainly used locally. Androstachys johnsonii Androstachys johnsonii x – 7k – jpg www. In other projects Wikimedia Commons Wikispecies. It seems unlikely that Androstachys jounsonii will increase in importance on the timber market because it has a limited area of distribution and grows very slowly.
The fruits are eaten by small antelopes, squirrels and birds, and these animals may disperse the seeds. Androstachys johnsonii Scientific Name Androstachys However, as long as stands of sufficient extent exist, it will locally remain of importance for heavy and durable construction. The rates of shrinkage are moderate, from green to oven dry 5.
The genus Androstachys Prain in Madagascar.