Madagascar periwinkle (Catharanthus roseus)

Madagascar periwinkle or tapak dara (Catharanthus roseus L. G.Don) is an annual shrub that lives wild or cultivated in open places in various tropical regions, but can also grow in a rather shady place. Shrub habitus grows sideways and is 0.2 meters to 1 meter high.

This beautiful plant in Indonesia is called tapak dara, Malaysians know it as kemunting cina, in the Philippines as tsitsirika, in Vietnam as hoa hai dang, in China known as chang chun hua, in England as rose periwinkle, and in the Netherlands as a soldaten bloem.

C. roseus has a beautiful flower appearance and is similar to frangipani flowers, round and diameter shaped stems are small, branched, woody stems and downy leaves. Flowers have red, pink, blue, white and others.

These plants can live wildly on any land including clay, sand and rocks. It grows and spreads rapidly during the rainy season where the wake flowers bloom on dewy mornings. This flower plant bursts and appears to be striking between the surrounding grasses.

The leaves are ovoid, about 2 cm to 6 cm long, 1 cm to 3 cm wide, green, and pinned pinned together. The leaves are about 2-6 cm long, 1-3 cm wide. The stalk is very short and the leaves contain white latex.

Flowers grow axially or arise from the armpit of leaves, flower petals and nail-shaped. Trumpet shaped crowns, widened ends, white, blue, pink or purple depending on the cultivar. The fruit is cylindrical with a pointed tip, hairy, 1.5 cm to 2.5 cm long, and has many seeds.

Flowers and leaves contain vincristine, vinblastine, reserpine, ajmalicine, and serpentine. Other contents are catharanthine, leurosine, norharman, lochnerine, tetrahydroalstonine, vindoline, vindolinine, akuammine, vincamine, vinleurosin, and vinrosidine.

Kingdom: Plantae
Kingdom: Embryophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Catharanthus
Species: C. roseus

Tiang fern (Cyathea contaminans)

Paku tiang or pole fern or tiang fern ( Cyathea contaminans ) is a plant species in Cyatheaceae, has a height of up to 12 m, a single stem and the old part shows traces of leaves, the basal part is thickened by adventitious roots and grows mixed with other species. C. contaminans has stipe for 100 cm long, gloucous, purplish to the base, very thorny, when young has scales on all parts, up to 45x3 mm in size, pale brown, very thin and setiferous. The main rachis is pale, prickly, scaly as a stipe but then glabrescent. Pinnae has the largest size of 60 cm and the lowest decreases with stems up to 10 cm. Pinnules have a size of 150x30 mm or smaller with 1-2 pairs of basal segments more or not at all, the rest of the pine curved almost to the rib. Costules have a size of 4-5 mm. Common veins are 12 pairs. The lamina segment is hard, rough on the bottom and fibrous edges. Sori is exindusiate, near costule and pale paraphrase is no more than sporangia. The scales and hair on the pi...

Wild durian (Cullenia exarillata)

Wild durian ( Cullenia exarillata ) is a species of plant in the Malvaceae, a tall tree with smooth, greyish-white bark, peeling on older trees, a straight trunk, horizontal branches and often with a series of knob-like tubercles for flower and fruit attachment. C. exarillata has young branches and the underside of the leaves is covered with golden brown peltate or shield-like scales. The leaves are single, alternate, glabrous, glossy green on the upper side and covered with silvery or orange peltate scales on the underside. Hermaphroditic flowers are tubular and also covered with golden brown scales, 4-5 cm long and cream or reddish brown in color. Flowers have no petals, formed of tubular bracteoles and tubular calyxes, 5-lobed. Fruit is round, 10-13 cm in diameter, covered with thorns and clustered along the branches. Many seeds, reddish brown, 4-5 cm long and 2-3 cm wide. The seeds are enclosed by a fleshy, whitish aril. The fruit splits open when ripe and dries to release the s...

Sereng (Impatiens platypetala)

Sereng ( Impatiens platypetala ) is a plant species in Balsaminaceae, a perennial shrub, grows with erect stems up to 1 meter in height, brightly colored flowers and leaf shape depending on the subspecies, lives in damp or shady places in forests, waterways, roadsides and abandoned lands. I. platypetala has a tubular stem, reddish green or brownish green or whitish green depending on the subspecies and has clear boundaries like the segments where the petiole grows. Leaves have long and large stalks. Single leaf oval to lanceolate-ovate, 5-12 cm long, dark green, blunt base, pointed tip, serrated edge, a large bone and white in the center with several lateral veins. Flowers grow in the axillary of the leaves on the upper stem, have long stalks and stand. The crown is bright red or whitish red or bright orange with a dark color in the center. An eye grows in the middle with a white and green base. Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsid...

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