31. In the valleys, you find a darker green of trees and the euphorbias that mimic our cactuses. 32. Poinsettias belong to the euphorbia family, some 3, 000 plants distinguished by their milky white sap. 33. Feral dromedaries in Australia prefer " Trichodesma zeylanicum " and " Euphorbia tannensis ". 34. The transitional grassland ecosystem is seriously threatened by leafy spurge ( Euphorbia esula ), an introduced weed. 35. The artwork here is called " Euphorbias " by Ronald Calloway and has a floral theme. 36. 3, 5-Dihydroxyphenylglycine can be isolated from the latex of " Euphorbia helioscopia ". 37. It causes small orange dots on the lower side of leaves on " Euphorbia cyparissias ". 38. The ornamental form of " Euphorbias " was a persistent stimulus which produced three important paintings. 39. Milkweeds aren't in the genus " Euphorbia " or in the Euphorbiaceae at all. 40. The plant, Euphorbia berotica, was named after the river because it was discovered in the area.
