Vernonia anthelmintica Willd.: An Overview on Phytopharmacological Properties

Leaves are 5‐9 cm long, 2.5‐3.2cm broad, lanceolate or elliptic‐lanceolate, acute, coarsely serrate, pubescent on both surfaces, petiolate and with tapering base. Heads are 1.3‐2cm diameter, subcorymbose with about 40 flowers and linear bract near the top of the peduncle. Outer involucral bracts are linear, hairy, shorter than those of the inner rows; intermediate bracts with herbaceous hairy tips, linear, acute, equaling or shorter than the innermost; innermost bracts usually the longest, linear, subacute, often tipped with purple. Pappus reddish, the exterior row very short, subpaleaceous, persistent; the inner hairs somewhat flattened, deciduous, much shorter than the glabrous corolla. Achenes are 4.5‐6 mm long, oblong‐cylindrical, 10‐ ribbed, pubescent (2, 4) .