Synadenium cupulare (Sheba Valley Death Tree, Dead Man's Tree, Crying Tree)


Botanical Information

FamilyEuphorbiaceae
GenusSynadenium
Speciescupulare
SynonymsSynadenium arborescens, Euphorbia cupularis
CategoryTropicals
TypeTree (evergreen), Shrub (evergreen)

Details

USDA Hardiness Zone9b - 11
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cold season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H1c
RHS Hardiness Ref.
Temperature (°C)- 3.8 - above 4.5
Temperature (°F)25 - 40
Height2.4 - 4.5 m

Description and Growing Information

Leaf DescriptionEntirely glabrous, to 14 × 5.5 cm, obovate, obtuse at the apex, tapering at the base into a petiole 5–10 mm long, margins entire, lower surface often blotched with red and midrib with a crenulate keel 1 mm wide.
Flower DescriptionMale flowers have bracteoles that are 2 mm long, filamentous, plumose; stamens 3.5 mm long. Female flower has a pubescent ovary; styles 2 mm long, joined for one-third, apices bifid.Capsule and seeds not seen.

Photographs