Skip to main content

Poinsettia (Euphorbia pulcherrima)

Kastuba or poinsettia (Euphorbia pulcherrima) is a plant species in Euphorbiaceae which is famous for its striking leaves. Shrubs or small trees 0.6-4 meters high, forming canopy with a diameter of about 2 meters and having dark green leaves with a length of 7-16 cm.

E. pulcherrima has single elliptical or ovoid leaves with stems mostly 2-4 curves. The tip of the leaf is pointed with the arrangement of pinnate bones and the upper part is bright red or orange, pale green, cream and white according to the variety.

Dlium Poinsettia (Euphorbia pulcherrima)

The color of red leaves is created through photoperiodism which requires darkness for 12 hours for at least five consecutive days to change color. At the same time, plants need abundant light during the day for the brightest colors.

Kastuba has simple flowers forming groups in small yellow structures in the middle of each leaf bunch. Single house flowers, yellow and do not fall easily for several weeks, but stamens will fall out.

Female flowers sit between male flowers without petals or crowns and are only surrounded by cyathium. Natural pollination is aided by insects, but fertilization rarely occurs, so almost never have seeds.







Fruit buds grow at the base of cyathium. Poinsettia grows optimally at a temperature of 16-27C. Forming the color of the best bractea at night with temperatures of 16-18C. These plants like the morning sun, but love shade when it starts to get hot.

Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species: E. pulcherrima

Popular Posts

Lolot (Piper sarmentosum)

Lolot pepper ( Piper sarmentosum ) is a species of plant in Piperaceae, perennial herb, erect or lodging, creeping rhizome, up to 120 cm long, branched, enlarged branches, cylindrical stems, brown or green, often grooved, growing on the forest floor and shade. P. sarmentosum has leaf stalks up to 15 cm long, up to 13 cm wide, green, alternately arranged, heart-shaped, pointed tips and flat margins. The leaves have 5 main veins from the base of the blade, linear and slightly curved to the tip, glands on the upper surface and many fine pinnate veins. The upper side is shiny green, the lower side is pale green. The flowers are white. The fruit grows in the upper armpit of the leaf, is slightly oval and green. The leaves are used as a medicine for asthma, malaria, stomach ache, tinea versicolor, toothache, difficulty urinating, aches and pains, maintaining stamina, antibacterial, antimicrobial, antioxidant, and so on. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiosperma...

East Indian globe thistle (Sphaeranthus indicus)

Gorakhmundi or gorakh mundi or mundi buti ka phool or mundi booti ka phool or sembung delan or East Indian globe thistle ( Sphaeranthus indicus ) is a species of plant in Asteroideae, a perennial, multi-branched, strong fragrance with erect stems, winged and toothed wings, growing wild in rice fields forming colonies, dense open rugs in the tropics. S. indicus has alternating sitting leaves, oval, narrow at the base, toothed and serrated, 1-3 cm long and green. Leaves 2-7 cm long, 1-3 wide, broad and deep wings, continuing into a large bone in the center of the leaf to a sharp tip and several lateral veins. The flower is round, grows at the tip, has a large and long stalk, is purple in color, 8-15 mm in size, consists of many tiny flowers, green or red or purple and has pale purple stamens. Head ovate-ellipsoid and 12-15 mm long. Phyllaries are white and have purple crest. Female flowers have a corolla tube 2-2.5 mm long. The bisexual flowers are 2.3-3 mm long and the hardened pa...

Sausage tree (Kigelia africana)

Sausage Tree ( Kigelia africana ) is a species of tree in the Bignoniaceae family, growing up to 24 meters tall with low, spreading branches. The bark is dark gray to light brown, up to 6 mm thick, scaly, creamy white underside, and the branches are marked with lenticels. The wood is light brown or yellowish. This tree grows at elevations of 0-3000 meters. The leaves are arranged alternately along the stem and are divided into several pairs of minor leaflets and a single minor leaflet at the tip. Each leaflet is up to 50 cm long and has 3-6 pairs of opposite minor leaflets. The minor leaflets are oval to narrow and pointed, 7-20 cm long and 4-12 cm wide. The margins are smooth, sometimes slightly serrated. The upper side is glossy green, the underside pale green, smooth or finely hairy. The central vein is sunken on the upper side, with 7-12 pairs of prominent lateral veins visible below. The inflorescences hang from flexible branches up to 7.5 meters long. The flowers are bell-shap...