Ireng polypore (Amauroderma rugosum)

Ireng polypore (Amauroderma rugosum) is a species of fungus in the Polyporaceae, wood rot that eats rotting branches and trunks of trees, consisting of stamps and stypes, wood-textured, coarse or corky, black in color, round or almost round spores with double wall structures has a U-shaped thickening.

A. rugosum has a stamp in the shape of a circle or approaching a circle, thick, flat, horizontal, black in color, the upper surface has white or silver lines or circles, vaguely with a circular trench.

The margins have folds. The bottom surface is black. Ireng polypore has the stipe of standing upright, vertical, cylindrical, not straight, irregular, sturdy, woody and brown in color.

A. rugosum lives in the tropics, on rotting wood in the shade between litter and rocks, grows in the rainy season, is solitary and lasts a long time.

Kingdom: Fungi
Phylum: Basidiomycota
Subphylum: Agaricomycotina
Class: Agaricomycetes
Order: Polyporales
Family: Polyporaceae
Genus: Amauroderma
Species: Amauroderma rugosum

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Sengon laut or Molucca albizia ( Falcataria moluccana ) is a species of wood-producing trees in Fabaceae, claimed to have the fastest growth in the world with the addition of a height of 7 m/year, producing white light wood for light construction, packing crates, particle boards and blockboards. F. moluccana has a height of 40 m and a diameter of 100 cm or more, the main stem is generally straight and cylindrical with clear bole up to 20 m. The bark is gray or whitish, smooth or slightly warted with a line of lenticels. Shady canopy, umbrella-shaped and tenuous. Young twigs have sides and hair. Double pinnate compound leaves, small minor leaves, easily fall out with one or more glands on the stem and length 23-30 cm. Leaf fins number 6-20 pairs, each containing 6-26 pairs of elliptical or elongated minor leaves with a very tilted, pointed tip, 0.6-1.8x0.5 cm. Small flowers, yellowish white, hairy, androgynous, collected in branched panicles, 10-25 cm long and located in the arm...

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