Rougeplant (Rivina humilis)

Teter abang or pigeonberry or rougeplant (Rivina humilis) is a species of shrub plant in Petiveriaceae, living in colonies on black soil under the shade of large trees, 0.4-2 m high, green perennial leaves for up to 15 cm long and 9 cm wide, leaf stalks have a length of 1-11 cm.

R. humilis has flowers in clumps with a length of 4-15 cm on the main stalk with a length of 1-5 cm (0.39-1.97 in) and strands with a length of 2-8 mm. Sepal is 1.5-3.5 mm long, white or green and will turn pink or purplish.

The berries are green and end up becoming shiny red when ripe, round in size from 2.5 to 5 mm and emit a red liquid if broken. More than 20 pieces appear in each panicle and are very noticeably filling the ground.

Rougeplant grows in forests, stretched land, curbs or becomes ornamental plants at a maximum height of 1,700 m above sea level. This species does not need much sunlight and stands under the shade of large trees including in golden bamboo (Bambusa vulgaris vittata) clump and is tolerant of salt soil.

Some reports say leaves, stems and roots have antibacterial, antioxidant, anticancer and antipesticide properties. The fruits used as pigment-containing coloring agents are rivianin or rivinianin, 5-O-β-D-Glucopyranoside, 3-sulfate, CAS number 58115-21-2, C24H26N2O16S and betaxanthin humilixanthin.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Caryophyllales
Family: Petiveriaceae
Genus: Rivina
Species: Rivina humilis

Yellow garden spider (Argiope appensa)

Yellow garden spider ( Argiope appensa ) is a species of spider in Araneidae that lives on the coast to forests on islands in the western Pacific Ocean. Black and yellow females are striking and have a length of 5.1-6.4 cm including long legs, while males are brown and have a length of about 1.9 cm. A. appensa lives on cliffs in the hills at 600 m above sea level in Kewu plain to rice fields in the lowlands. They make nests at a height of 1.5 meters from the ground between teak ( Tectona grandis ), sonokeling ( Dalbergia latifolia ), sonosiso ( Dalbergia sissoo ), crown flower ( Calotropis gigantea ) and various grasses. Yellow garden spiders grow in large sizes, but are not toxic to humans. Advanced builds ball-shaped nets and most of them make stabilizers which are zigzag-shaped lines in nets made of thicker bands. This species spends more time in stationary and sits in the middle of the net with its head down to wait for insects to be entangled in fine silk thread. Unli...

Serrated pimpernel (Lindernia glandulifera)

Serrated pimpernel ( Lindernia glandulifera ) is a species of plant in the Linderniaceae family, erect, 8-9 cm long.and white roots. The stems are cylindrical or angular or curved inward. The stems green or dark red or reddish brown. The leaves are opposite, green or dark red or brown, oval or oblong, up to 3 cm long, up to 1 cm wide and serrated margins. The flowers are white and blue, 0.6-0.7 cm wide. This plant grows in colonies in karst areas, clay soils, and areas that are sometimes flooded. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Lamiales Family: Linderniaceae Genus: Lindernia All. in Auct. Syn. Meth. Stirp. Hort. Regii Taur. 3: 178 (1766) Species: Lindernia glandulifera (Blume) Backer in Onkruidfl. Jav. Suikerrietgr.: 616 (1930) VERNACULAR NAME English: Serrated pimpernel Indonesia: Tapak gergaji Java: Tapak graji Aryo Bandoro Dlium TheDlium Web: https://www.dlium.com YouTube: https://www.youtube.com/@Dlium

Elephant grass (Pennisetum purpureum)

Rumput gajah or elephant grass or napier grass or Cenchrus purpureus ( Pennisetum purpureum ) is a plant species in Poaceae, a large and highly nutritious grass that is usually used for animal feed including cattle, goats, elephants, has resistance in the sun, has many varieties and cultivars. P. purpureum grows upright like sugar cane and is up to 5 m high, 3 cm in diameter and easy to breed. The round stems, woody and hard, covered with leaf shields and haired, have up to 20 segments to grow new shoots that will become new stems. Ribbon-shaped leaves, length 30-120 cm, width less than 3 cm, thin as paper. The upper surface is green, the lower surface is pale green, both surfaces and margins are rough by hair. A single bone in the middle, large and white. Flowers grow in long bunches and erect with a golden color, grow at the tip of the uppermost stem, the seeds will have contents when growing at an altitude of more than 1000 meters. Leaves and stems contain 19.9% dry matter, ...

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