Flowers of the largest genus euphorbia are in cup shaped clusters called cyathia each of which seems to be a single female flower but actually consists of a single pistil surrounded by several male flowers each of which has a single stamen.
Rubber tree description.
The trunk is smooth and straight with a grayish bark.
Hevea brasiliensis is the tree that most rubber comes from.
The trunk is cylindrical and may have a swollen bottle shaped base.
The tree can grow to over 100 feet tall 30 meters in the wild and as an indoor houseplant it usually grows to between 2 6 meters.
The botanical name of the rubber tree is hevea brasilienis.
It has a cylindrical trunk that is swollen towards the base.
Cultivated on plantations in the tropics and subtropics especially in southeast asia and western africa it replaced the rubber plant in the early 20th century as the chief source of natural rubber it has soft wood.
It is a large tree in the banyan group of figs growing to 30 40 metres 98 131 ft rarely up to 60 metres or 200 feet tall with a stout trunk up to 2 metres 6 6 ft in diameter.
It has broad shiny oval leaves 10 35 centimetres 3 9 13 8 in long and 5 15.
Other plants that have the special sap called latex are figs ficus elastica castilla panama rubber tree euphorbias lettuce the common dandelion taraxacum kok saghyz russian dandelion scorzonera tau saghyz and guayule.
The wood of rubber tree.
The rubber tree plant is also called the rubber wood tree or rubber fig tree.
When the rubber tree reaches 30 years old the wood will be used to make furniture pieces.
The plant produces a milky colored latex sap which can be retrieved from the plant once it matures to an age of about six years old.
Facts about rubber tree 9.
Description of the rubber tree hevea brasiliensis.
A columnar upright narrow oval tree reaching 30 40 feet high and 15 feet.
Flowers are of one sex and male and female flowers are usually borne on the same plant.
Cultivars and their differences.
Rubber tree hevea brasiliensis south american tropical tree of the spurge family euphorbiaceae.
The fruit is a seed enclosed in a waxy wing capsule.
It is a tropical tree that grows to a height of 30 meters 40 meters and has a leafy crown.
South asia and southeast asia have the most rubber tree plantations.
The bark is some shade of brown and the inner bark oozes latex when damaged.
Emerald point hardy rubber tree eucommia ulmoides empozam.
Facts about rubber tree 10.
It is known for its laticiferous system from which latex is extracted by tapping the trunk.
Petals are rarely present.
The rubber tree hevea brasiliensis is a fast growing medium to tall tree 25 m high in plantations and up to 40 m in the wild with deep tap roots.
Leaves are trifoliate 10 to 15 cm.
In the 1800s most sap to make rubber came from south america.
The locations of rubber tree plantations.
The trunk develops aerial and buttressing roots to anchor it in the soil and help support heavy branches.
Brasiliensis is a tall deciduous tree growing to a height of up to 43 m 141 ft in the wild but cultivated trees are usually much smaller because drawing off the latex restricts the growth of the tree.
10 facts about rice.
It belongs to the genus euphorbiaceae.