Leaves erect or less often decumbent, 80-470 x 60-260 mm, rachis straight, pinnae erect (ascending at acute angles), segments straight, 5-60 mm long. Inflorescence 200-720 mm long. Primary umbel with 13 to 25 rays; rays 35-82 mm long, glabrous. Flowers yellow with greenish yellow stylopodia; sepals distinct to relatively large, (0.3)0.4-0.9 mm long, obtuse to acute. Fruit 10-14 mm x 8-9 mm, median and lateral ribs clearly visible but not prominently raised.