Hevea

Genus of flowering plants in the spurge family, Euphorbiaceae, with about ten members.

- Hevea

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Euphorbiaceae

The Euphorbiaceae, the spurge family, are a large family of flowering plants.

The Euphorbiaceae, the spurge family, are a large family of flowering plants.

Euphorbia characias flowers
Cyathia of Euphorbia baylissii
Croton cultivar 'Petra'

It is confirmed to be absent or incomplete in herbaceous Chamaesyce by Ehrenfeld 1976, Hevea by Bouharmont 1962, and Manihot by Jennings 1963 and George & Shifriss 1967.

Hevea brasiliensis

Flowering plant belonging to the spurge family Euphorbiaceae.

Flowering plant belonging to the spurge family Euphorbiaceae.

Canopy and trunk, Thailand
Seeds
A sprouting seed in a house backyard in Malaysia
Trunk crosssection
Latex being collected from an incised rubber tree and a bucket of collected latex

It is the most economically important member of the genus Hevea because the milky latex extracted from the tree is the primary source of natural rubber.

Pieces of natural vulcanized rubber at Hutchinson's Research and Innovation Center in France.

Natural rubber

Rubber, also called India rubber, latex, Amazonian rubber, caucho, or caoutchouc, as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds.

Rubber, also called India rubber, latex, Amazonian rubber, caucho, or caoutchouc, as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds.

Pieces of natural vulcanized rubber at Hutchinson's Research and Innovation Center in France.
Latex being collected from a tapped rubber tree, Cameroon
Rubber tree plantation in Thailand
Rubber latex
Rubber latex elasticity
Chemical structure of cis-polyisoprene, the main constituent of natural rubber. Synthetic cis-polyisoprene and natural cis-polyisoprene are derived from distinct precursors, isopentenyl pyrophosphate and isoprene.
Rubber is generally cultivated in large plantations. The image shows a coconut shell used in collecting latex, in plantations in Kerala, India.
Sheets of natural rubber
Vintage tobacco card, Tapping a Rubber Tree, India, Products of the World series, Player's Cigarettes, 1909
A woman in Sri Lanka harvesting rubber, c. 1920
Mixed field coagula.
Cup lump rubber coagula in a Myanmar road stall.
Removing coagulum from coagulating troughs.
Torn latex rubber dry suit wrist seal
Compression molded (cured) rubber boots before the flashes are removed
Compression molding machine for rubber parts

Latex from non-Hevea sources, such as guayule, can be used without allergic reaction by persons with an allergy to Hevea latex.

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea guianensis

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea guianensis is a species of rubber tree in the genus Hevea, belonging to the family Euphorbiaceae.

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea benthamiana

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea benthamiana is a species of rubber tree in the genus Hevea, belonging to the family Euphorbiaceae.

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea spruceana

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea spruceana is a species of rubber tree in the genus Hevea, belonging to the family Euphorbiaceae.

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea camporum

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea camporum is a species of flowering plant in the genus Hevea, the rubber trees, belonging to the family Euphorbiaceae.

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea nitida

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea nitida is a species of rubber tree in the genus Hevea, belonging to the family Euphorbiaceae.

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea pauciflora

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea pauciflora is a species of rubber tree in the genus Hevea, belonging to the family Euphorbiaceae.

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea rigidifolia

All adult Eurasian blue tits share the same coloration, unmistakably identifying the morphospecies.

Hevea rigidifolia is a species of rubber tree in the genus Hevea, belonging to the family Euphorbiaceae.