Characters;"E. austroguangdongense";"E. calyptratum" "Leaf blade texture";Leathery;"Thinly chartaceous" "Leaf blade shape";"Elliptic or lanceolate";"Elliptic, oblong, oblong-lanceolate or ovate" "Leaf blade color";"Dark green and shining adaxially";"Pale green adaxially" "Secondary veins";"6–8 pairs";"11–15 pairs" Flower;"Solitary on leafless nodes of the basal part of current branch";"Solitary to 3-fascicled in leaf axils" "Pedicel length";"1–1.5 cm";"5.2–7 mm" "Petal appendage";Sub-rectangular;"Bilobed and each lobe consisting of a short anterior auricle and a large posterior auricle"