Rubyung (Pyrrosia longifolia)

Rubyung (Pyrrosia longifolia) is a plant species in Polypodiaceae, an epiphytic fern that grows vines on a large tree to form dense colonies and covers the tree trunk, grows wild in the shade of forest canopy, sometimes in open areas, plantations and neglected lands.

P. longifolia has fibrous roots with rhizomes. Stems in the form of a rhizome that grow creeping, long, dark brown, 3 mm in diameter and densely noisy. Ptiolus blackish brown, 10-15 mm long, 4 mm diameter and has trichomes.

The leaves are green, slightly thick, linear in shape, flat edges, smooth and shiny top surface. Sterile has an oblong shape and a widened center, 20 cm long and 2.5 cm wide. Fertile has a rounded tip, is 35 cm long and 3 cm wide.

Sorus sticks to the lower surface, is round in shape, clustered on some of the upper leaves and is brown in color. The scales on the rhizome are oblong-ovate, 2-3 mm long, dark brown in the middle, flat, yellowish-white, and have more than 100 hairs. Trichomes of sterile ptiolus and leaves are stelata, 8-9 arms and white in color.

Kingdom: Plantae
Phylum: Tracheophyta
Class: Polypodiopsida
Subclass: Polypodiidae
Order: Polypodiales
Suborder: Polypodiineae
Family: Polypodiaceae
Subfamily: Platycerioideae
Genus: Pyrrosia
Species: Pyrrosia longifolia

Screw tree (Helicteres isora)

Screw tree ( Helicteres isora ) is a species of plant in the Malvaceae family. It is a shrub or small tree, up to 8 meters tall. It has gray bark and alternate leaves, up to 22 cm long and 17 cm wide, oval in shape, with serrated edges and hairs. The flowers are red or white and reach a total length of 5.5 cm. The fruit is green when unripe, brown or gray when dry, twisted, spiral-shaped, and pointed at the tip. The seeds are black or brown, shiny, and diagonal, triangular, or rectangular. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Malvales Family: Malvaceae Subfamily: Helicteroideae Tribe: Helictereae Genus: Helicteres Pluk. ex L. in Sp. Pl.: 963 (1753) Species: Helicteres isora L. in Sp. Pl.: 963 (1753) HETEROTYPIC SYNONYMS Helicteres baruensis var. ovata DC. in Prodr. 1: 476 (1824) Helicteres chrysocalyx Miq. ex Mast. in J.D.Hooker, Fl. Brit. India 1: 365 (1874) Helicteres corylifolia Buch.-Ham. ex Dillwyn in Rev. Hortus Malab....

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...

Coromandel (Asystasia gangetica)

Coromandel ( Asystasia gangetica ) is a species of plants in Acanthaceae, perennials, vines and branching that are widely found on the edges of roads, shrubs and gardens, resistant to shade, used as fodder, especially cattle, goats and sheep, treatment, conservation of land and ornamental plants. A. gangetica has a height of 88-95 cm, rectangular-shaped stem, brownish green or purplish green, taproot and can emerge from branches. Petiole has a length of 0.5-6 cm. Ellipse-shaped leaves, unifoliate, green or dark green, arranged facing each other and do not have stipules. Leaves have a length of 8.5 cm, width 4.9 cm, area 69.42 cm3, length and width ratio is 1.8:1, heart-shaped base and taper front end, rough surface, flat edge, a main bone and 4 -6 lateral veins on each side. Coromandel produces flowers after 4 weeks to 2 months. Compound flowers, lined up on one side with a length of up to 25 cm. Flower stalks have a length of up to 3 mm. Trumpet type, white with a bottom stran...

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