Silk oak (Grevillea robusta)

Pohon perak or silk oak (Grevillea robusta) is a species of plant in the Proteaceae, a large, fast-growing evergreen tree with one main trunk, 5-40 m tall, bark dark gray and wrinkled, grows in tropical mountains, rainforests subtropical, dry and wet rainforests.

G. robusta has fern-like leaves, 10-34 cm long, 9-15 cm wide and is divided between 11-31 major lobes and each lobe is sometimes further divided into 4 minor lobes, each linear to narrow triangular. The tree will lose a lot of leaves before flowering.

Flowers arranged on one side and sometimes branched with a length of 12-15 cm. The carpel of each flower has a stalk 21-28 mm long. Flowers are bare and mostly yellowish orange or reddish. Flowering in September-November and the following fruit are bald follicles.

Silk oak loves full sun and is drought tolerant. Flowers and fruit contain toxic hydrogen cyanide. Wood is widely used for joints outside windows, furniture, cabinets, fences, musical instruments and shade in plantations.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Proteales
Family: Proteaceae
Subfamily: Grevilleoideae
Tribe: Embothrieae
Subtribe: Hakeinae
Genus: Grevillea
Species: Grevillea robusta

Kunu buti (Mesosphaerum suaveolens)

Kunu buti ( Mesosphaerum suaveolens ) is a species of plant in the Lamiaceae family. It is an erect, herbaceous annual, growing up to 1.5 meters tall. Its cylindrical, rough, brown or green stem is hairy and white. It grows on forest floors, bushes, agricultural fields, and roadsides. Its roots are fibrous and brownish-yellow. M. suaveolens has single, opposite leaves, stalks 2-5 cm long and hairy. The leaf blades are green, hairy, oval, with pointed tips, blunt bases, serrated edges, up to 6 cm long, up to 5 cm wide, and pinnate veins. The flowers are compound, axillary, in clusters, perfect, and bisexual. The petals are attached, forming a tube, each tip elongated like a spine, soft, 3-10 mm long, and green. The corolla is attached, asymmetrically detached, 1-2 cm long, and purple. The fruit is single, hard, capsule-shaped, hairy on the surface, and green or brown in color. The seeds are round, small and blackish brown in color. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphyl...

Cockspur coral tree (Erythrina crista-galli)

Velvet coral tree or cockspur coral tree ( Erythrina crista-galli ) is a species of plant in the Fabaceae family. It is a small tree, 5-8 meters tall, with a trunk circumference of about 50 cm, irregular branches, light wood, and fissured, soft, and light brown bark. The taproot is white. The leaves are ovate, with three strands, dark green and glossy on the upper surface, and pale green on the underside. The central lobe is up to 17 cm long and up to 11 cm wide. The left and right lobes are up to 15 cm long and up to 10 cm wide. The flowers are red, arranged in racemes, at the apex, pentameric, complete, and bilaterally symmetrical. The flowers are up to 6 cm long and 4 cm wide. The pods are long, containing about 8 seeds, green when young and turning brown as they mature. The seeds are ovate, flat, and brown. It grows well in lowlands up to an elevation of 1,500 meters, with an annual rainfall of 800-1,500 mm/year, and a temperature of 20-32°C. It thrives in well-drained soils, but...

Fern tree (Filicium decipiens)

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