Plant Nabalus albus (White Rattlesnake Root) By P Dahal October 24, 2017 No Comments Share Tweet Google+ Pinterest LinkedIn Tumblr Email + This indigenous perennial herb has a smooth stem, stout and purplish, from two to four feet high. Radical leaves angular-hastate, cauline ones lanceolate, and all irregularly dentate. Reference: http://www.eol.org/pages/509393/names/synonyms https://www.plants.usda.gov/core/profile?symbol=PRAL2 Share. Twitter Facebook Google+ Pinterest LinkedIn Tumblr Email