Mandarin orange (Citrus reticulata)

Keprok or mandarin orange (Citrus reticulata) is plant species in Rutaceae, erect, sessile-elliptic leaves and do not have wings or small, small flowers, fruit has a medium size, the skin is easily speeled, the membrane is easily removed, the tip sometimes has a bun, small seeds, polyembrioni, cotyledons and green.

C. reticulata has a height of 2-8 meters, the stem has a round or half round shape, has a branching and has no thorns. Leaves have a stem with a length of 0.5-1.5 cm, have very narrow wings or no wings at all.

The leaves have an elongated, elliptical or lancet shape with a blunt base and a pointed tip like a spear. The upper surface is dark green and shiny, the lower surface is light green, 4-8 cm long and 1.5-4 cm wide.

Flowers have a diameter of 1.5-2.5 cm and a white crown. Ball-shaped fruit with a pressure of 5-8 cm long, 0.2-0.3 cm thick skin and orange flesh. Flowers are pollinated with the help of bees, self-pollinating or parthenocarpy.

Mandarin orange grows in the tropics and subtropics, optimal temperature is 25-30C, optimum humidity is 70-80%, altitude is 100-1300 m, fertile soil, loose, contains a lot of organic matter, high porosity with pH 5-6, rainfall 1500- 2,000 mm/year with 4-7 months rainy season and 4-6 months dry season.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Sapindales
Family: Rutaceae
Genus: Citrus
Species: Citrus reticulata

Purple nutsedge (Cyperus rotundus)

Teki or purple nutsedge ( Cyperus rotundus ) is a species of plant in the Cyperaceae, an erect annual growing to a height of up to 140 cm, the leaves sprout in rows of three from the base to a length of 5-20 cm, ribbon-shaped, pointed tip and green in color. The inflorescence has a stalk with a triangular cross section and is green. The inflorescence has three to eight unequal spikes. The flower is bisexual, has 3 stamina and the pistil has three stigmas. The fruit is achene and triangular. Teki prefers dry places, but will tolerate moist soil and often grows in wastelands and in crop fields. Tubers are an important source of nutrition for migratory cranes. Source of carbohydrates in the tropics in times of famine. The initial stage forms a white fleshy rhizome, 25 mm long and in chains. Some of the rhizomes grow upright above the ground, then form a tuber-like structure from which new shoots and roots grow, new roots and new rhizomes grow. Other rhizomes grow horizontally or down...

Limestone beads (Jacquemontia paniculata)

Limestone beads ( Jacquemontia paniculata ) is a species of plant in the Convolvulaceae. It is a herbaceous, twining climbing plant with cylindrical, branched, green stems. It grows in shrubs, teak forest floors, agricultural lands, roadsides, and abandoned areas. J. paniculata has arrow-shaped, green leaves with a central main vein and numerous pinnate minor veins. The leaves are up to 9 cm long, 7 cm wide, and have stalks up to 5 cm long. The flowers are star-shaped, about 1 cm in diameter, and bluish-white. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Solanales Family: Convolvulaceae Subfamily: Dichondroideae Tribe: Jacquemontieae Genus: Jacquemontia Choisy in Mém. Soc. Phys. Genève 6: 476 (1833 publ. 1834) Species: Jacquemontia paniculata (Burm.f.) Hallier f. in Bot. Jahrb. Syst. 18: 95 (1893) Variety: Jacquemontia paniculata var. grandiflora Ooststr., Jacquemontia paniculata var. lanceolata S.H.Huang, Jacquemontia paniculata v...

Twoleaf nightshade (Solanum diphyllum)

Twoleaf nightshade ( Solanum diphyllum ) is a species of plants in Solanaceae, upright shrubs grow in shade, 1-2 m tall, rounded stems, dense, green-purple brown, short hairy, stopping cells, cornered young twigs and widely cultivated as plants decorate with bright yellow ripe fruit. S. diphyllum has leaves that are alternating, solitary or paired in twigs with generative organs. Some are stemmed for 1-1.5 cm. The leaves are oval to oblique round eggs, dynamic base, flat or wavy edges, tapered or rounded edges, 1-14.5 cm long, 0.5-4 cm wide and have short hair. Flowers facing leaves 5-25 mm long. Has a 2 mm handle, brownish purple, straight and unbranched. Hook 5-10 mm, greenish to brown and curved. The petals have five ears, resembling kupula, pale green, 1-5 mm long and short haired. Flowers have five crowns, coincide, star-shaped, yellowish white, 2-5 mm long. Has five stamens, free and facing the crown. Short and yellowish green pistil. The stigma is yellow, attached to the...

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