branches spinescent; spines horizontal, bearing leaves and flowers; leaves mostly fasciculate, palmately 3-foliolate, petiolate; petioles broadly-winged; younger leaflets as well as the panicles covered with minute, red glands, the older ones glabrous or punctate beneath, shining above, veined on both surfaces, cuneate-obovate, obtuse or sub-emarginate, entire, the lateral ones oblong, unequal at base; racemes panicled, solitary or fasciculate, as long as the leaves or shorter; drupe oblique, globose, mucronate, sub-compressed, glabrous. A tall shrub with grey branches and red-glandular branchlets. Petioles the length of the leaves, shorter or longer, at top 1 line broad. Leaflets coriaceous, flat or with recurved margins, mostly 1–1 1/2 inch long, 5–8 lines wide, some smaller, others 2–2 1/2 inches long, 10–12 lines wide; the lateral ones smaller. Racemes 1–1 1/2 uncial, ultimate pedicels 1/2–1 line long. Petals 3 times longer than the calyx; drupe the size of a small pea, broader than long. R. longispina, Presl, is R. undulata, Jacq. aglaophylla, E. & Z.! confounded by E. & Z. in several collections.
