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Tropicals > Euphorbia > Euphorbia dendroides > Euphorbia dendroides

Euphorbia dendroides


Tree Spurge




Origin:  Mediterranean coastal regions.
Family
Euphorbiaceae
Genus
Euphorbia
Species
dendroides
Category
Tropicals
Type
Shrub (evergreen)
USDA Hardiness Zone
11
Canadian Hardiness Zone
Requires cold season protection under glass.
RHS Hardiness Zone
H1c
Temperature (°C)
5 - 10
Temperature (°F)
41 - 50
Height
2 m
Spread
2 m
Photographs
Description and Growing Information
Flowering Period
General Description
Hemispherical semi-succulent shrub that can easily be recognized from long distance by its reddish branches.
Cultivation
Grows best in full sun to partial shade with deep sandy soil. Water moderately from autumn to spring, and during the summer diminish waterings to once a month.
Growth
Fast
Habitat
Grows in exposed, open terrain, on rocky (mostly calcareous) ground, 0 - 600 meters above sea level, but is found occasionally up to 900 meters.
Leaf Description
Alternate, clustered at end of branches but somewhat spaced out. Oblong-lanceolate, entire, attenuate at the base, and somewhat mucronate at the tip, rounded or sub-truncate, up to 6.5 cm long and 8 mm wide, sessile, glabrous and with single vein, eventually deciduous when in drought.
Flower Description
Inflorescences are terminal, umbellate, with 5-8 bifurcate, rays to 5 cm long. Cyathia is sub-sessile, egg-shaped, and 5 mm in size. Each cyathium consists of one female flower, with a three-lobed ovary, and up to six male flowers, surrounded by round glands.
Fruit Description
Fruit is deeply three-lobed, 5 - 6 cm in width, 7 mm in length, dehiscent, and contains 3 seeds. Seeds are ovoid, laterally compressed, grow to 3 mm, and carry a rounded caruncle.
Colour Description
Fruit is grey-green, with the seeds within being opaque brown or greyish black. Cyathia is yellowish green. Leaves are light green. Bark ranges from a deep red to reddish brown.
Texture Description
Fruit and seeds are smooth.
Notable Specimens
Centennial Conservatory, Thunder Bay, Ontario, Canada.
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