A very large herb. Root attaining a large size, 18 inches in length and 4 to 6 inches in diameter, tapering, branched, dark brown externally, white within, crowned above with the fibrous remains of the root-leaves of past years. Radical leaves several, spreading, large, 2½ feet long by 3 feet wide, stalked, compound; petiole about 9 inches long, triangular-cylindrical, solid, prominent in the middle line above, quite smooth, striate, not sheathing or stipulate but with a short, membranous, intra petiolar ligule the the base; rachis laterally compressed, double winged along the top with the narrow decurrent bases of the leaflets; primary divisions 3, the centre rather the longest, the two lateral ascending and curved horoizontally outwards; each division pinnate, leaflets opposite, ovate-or oblong-attenuate in outline, but cut down to the base into a few large linear-oblong, subacute, ascending lobes often again cut in a similar manner and much attenuated and tapering below into the narrow wings along the rachins, margin entire, much incurved, quite glabrous, thick, shining, somewhat bullate beneath, pale glaucous apple-green on both surfaces. |