Euphorbia halemanui is a scandent (climbing) shrub in the Euphorbiaceae (spurge) family with stems 1 to 4 m (3 to 13 ft) long. The egg-shaped to inversely lance-shaped leaves are decussate (successive pairs of leaves at right angles to the previous pair). The leaves are 4 to 13 cm (1.6 to 5 in)...