TROPICAL PLANT ENCYCLOPEDIA


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Euphorbia pulcherrima, Ponsettia, Poinsettia, Christmas Plant, Poincettia

Euphorbia pulcherrima

Ponsettia, Poinsettia, Christmas Plant, Poincettia
Family: Euphorbiaceae
Origin: Mexico
Large shrub 5-10 ft tallShadeSemi-shadeModerate waterOrnamental foliageIrritatingSeaside, salt tolerant plant

Euphorbia pulcherrima, the poinsettia, is known all over the world as the flower of Christmas. Growing naturally in Mexico, the plant was named after Joel Poinsett, who introduced them to the United States in the early 1800s. Blooming Time: November-December. Poinsettia flowers are small golden cups, known as cyathia, at the top and center of the plant. The red, pink, or white bracts surrounding the inflorescence provide the coloring. The plant needs a rich, well-drained soil. During the flowering period, the plant should have protection from direct south or west sun. It should also be protected from hot or cold drafts. In the home, poinsettias prefer a night temperature of 60 to 65F and a day temperature of 65F. The soil should be kept uniformly moist, possibly requiring water 2 to 3 times a week. Fertilize every 2 weeks with a solution of houseplant fertilizer at 1 tsp per gallon. After blooming reduce the amount of water and allow the plant to go dormant. Move poinsettia to cooler position but not below 50F. In late spring, repot the poinsettia and prune it at this time to produce a more shapely plant. Usually after flowering poinsettias become leggy. Keep the plant short and compact by pinching out the tips of new shoots until the middle of August. Water the plant with a solution of fertilizer every 2 weeks. Poinsettias are strongly photoperiodic. They require 12 hours of darkness each evening to bloom. Starting October 1, place a light tight box over the plant at 5:00 PM and keep it in place till 8:00 AM. Continue to water and fertilize during this period. Continue to cover the plant each evening until color begins to show in the top leaves. If these requirements have been met, color should develop in the uppermost leaves in the third week of November as the inflorescences develop.





Link to this plant:
https://toptropicals.com/catalog/uid/euphorbia_pulcherrima.htm

Euphorbia punicea, Jamaican Poinsettia

Euphorbia punicea

Jamaican Poinsettia
Family: Euphorbiaceae
Origin: Caribbean
Small tree 10-20 ftFull sunModerate waterRed, crimson, vinous flowersIrritatingSeaside, salt tolerant plant

This evergreen, succulent shrub grows to a height of 15 feet, has green leaves and showy, red flowers. It has a high drought tolerance and can be propagated by cuttings. The sap of this plant can be a skin irritant.





Link to this plant:
https://toptropicals.com/catalog/uid/euphorbia_punicea.htm

Euphorbia ramena, Euphorbia

Euphorbia ramena

Euphorbia
Family: Euphorbiaceae
Origin: Madagascar
CaudexSmall plant 2-5 ftFull sunModerate waterPink flowersYellow, orange flowers

The plants should receive water mainly in winter and be grown in a well drained sandy soil.It rests in summer and produces new leaves and inflorescences in winter, the older leaves wither and drop in spring. It is particularly prone to rot if left cold and damp while dormant.



Euphorbia ramena, Euphorbia
Euphorbia ramena, Euphorbia


Link to this plant:
https://toptropicals.com/catalog/uid/euphorbia_ramena.htm

Euphorbia ramipressa, Tree Euphorbia

Euphorbia ramipressa

Tree Euphorbia
Family: Euphorbiaceae
Origin: Madagascar
Small tree 10-20 ftFull sunModerate waterDry conditionsIrritatingThorny or spiny

Euphorbia ramipressa, Tree Euphorbia
Euphorbia ramipressa, Tree Euphorbia


Link to this plant:
https://toptropicals.com/catalog/uid/euphorbia_ramipressa.htm

Euphorbia sp., Milkweed, Spurge
Euphorbia ammak

Euphorbia sp.

Milkweed, Spurge
Family: Euphorbiaceae
CaudexLarge shrub 5-10 ft tallSmall tree 10-20 ftSmall plant 2-5 ftFull sunModerate waterDry conditionsPink flowersWhite, off-white flowersBlue, lavender, purple flowersRed, crimson, vinous flowersYellow, orange flowersIrritatingThorny or spiny

The genus is a very large one with close to 2 000 species, among them annuals, herbaceous perennials, shrubs and numerous succulent species that at first sight look remarkably like cacti. Like all members of the family Euphorbiaceae, all Spurges have caustic, poisonous milky sap (latex).





Link to this plant:
https://toptropicals.com/catalog/uid/euphorbia_sp.htm
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