a tree 15 ft. or more high; branches thick, rough, glabrous or minutely pubescent at the apex; leaves 4–7 in. long, 4 1/2–7 lin. broad, falcate, linear-oblanceolate, obtuse, long attenuated at the base, indistinctly veined, with a distinct midrib, glabrous; head sessile, 2 1/2 in. long, about 2 in. in diam.; young heads ovoid; involucral bracts 8–9-seriate, tomentose on the lower half, at length glabrous, minutely ciliate; outer ovate, subacuminate, obtuse, inner oblong, not equalling the flowers; perianth-sheath pubescent excepting the lower part of the 1 1/2 in.-long dilated 3-keeled and 7-nerved base; lip 11 lin. long, deeply 3-toothed, keeled, tomentose; lateral teeth 1 1/2 lin. long, tomentose excepting at the glabrous tips; median tooth 1 lin. long, filiform; stamens all fertile; anthers linear, 5 lin. long; apical glands 2 lin. long, lanceolate, acute, swollen on the inner face; ovary 1 lin. long, covered with long yellow-brown hairs; style 2 in. long, flattened below, trigonous above, furrowed, glabrous; stigma 5 lin. long, obtuse, faintly bent at the junction with the style. null