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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Livestock browses on the leaves. Response To Hand Tools Working with hand tools is difficult. Seeds germinate readily, and young plants are hardy and can survive in quite dry and warm localities.
Evergreen to deciduous, dioecious, small to medium-sized tree up to 25 —35 m tall; bole branchless johnwonii up to 15 m, usually straight and cylindrical, up to cm in diameter; bark surface longitudinally fissured, blackish grey; twigs angular, jointed, densely whitish to greyish woolly hairy. The wood is extremely hard and durable. Kew Bulletin 45 3: Androstachys johnsonii is a gregarious species reported in mountainous areas along streams, frequently in pure stands.
It needs powerful tools for processing. It finishes well, showing a nice polish. Citation in scholarly articles. The heartwood is light brown to reddish brown, often with darker veining, it is not clearly demarcated.
From Wikipedia, the free encyclopedia. Balkema, Cape Town, South Androstacyhs. Natural Habitat Androstachys johnsonii is a gregarious species reported in mountainous areas along streams, frequently in pure stands. Wood-anatomical description IAWA hardwood codes: It forms dense shrub-like thickets and thrives in hot and dry climates with well drained soils, especially on rocky hillsides or along seasonal watercourses.
Scientific Name Androstachys johnsonii Prain. Trees of southern Africa. Exterior General 1 – Tabela de resultados de ensaios fisicos e mecanicos. Poles 3 – Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo Genipa americana.
In other projects Wikimedia Commons Wikispecies. Androstachys johnsonii Euphorbiaceae Androstachys johnsonii It is suitable for vehicle bodies, sporting goods, toys, novelties, agricultural implements, musical instruments, precision johnwonii, carvings, pattern making and draining boards.
It shows monopodial growth. Androstachys johnsonii Androstachys johnsonii x – 6k – jpg www. Androstachys johnsonii Wissenschatlicher Name: Several diterpenoid constituents have been isolated from the heartwood. Androstachys johnsonii Androstachys Johnsonii x – 6k – jpg www.
Very durable to decay; without preservative treatment. In South Africa poles used for huts showed no sign of deterioration after 40 years. johnsoniu
Mecrusse (Androstachys johnsonii) | ITTO
The wood is also used as firewood and for charcoal production. Resistance To Impregnation Nearly impossible to treat with a too much low penetration of the preservative substances. Stake Posts 5 – Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii. Fibers with distinctly bordered pits. Androstachys johnsonii 1, apex of twig with male flowers; 2, apex of twig with female flowers; 3, fruiting twig.
Brown-colored deposits in heartwood vessels.
The flowers provide nectar for honey bees, but it has been recorded that the honey is poisonous and has a purgative action. Weghting down of stacks during air drying is recommended as this will reduce johnsinii tendency of the timber to warp and twist.
In south-eastern mainland Africa, trees flower in October—November and ripe fruits can be found in November to March. Sanding Easy to perform; it gives good results. However, as long as stands of sufficient extent exist, it will locally remain of importance for heavy and durable construction.
Plant Resources of Tropical Africa. In Malaysia klin schedule C is considered most suitable. Coastal forests of Kenya and Tanzania. There are 65 citation in scholarly articles related to Androstachys johnsonii Prain. Androstachys johnsonii Androstachys johnsonii Prain x – 97k – jpg www. Retrieved from ” https: Flore de Anrdostachys et des Comores plantes vasculairesfamille Herkunft x – 7k – gif www. Androstachys johnsoniithe Lebombo ironwoodis a medium-sized Afrotropical tree species, and the sole member of the genus Androstachys in the Picrodendraceae.
Sliced Veneer Not suitable for veneering.