An aromatic perennial, shrub, pubescent or tomentose. Stems and branches red,ribbed, erect, rough. Upper leaves smaller than lower, 3-lobed or entire, lanceolate;lower leaves ovate, pinnately lobed, hairy on both surfaces. Flower heads small,reddish, yellow, or whitish, drooping, in branched, woolly spikes, heterogamous,minute. (India) A parennial, often ascending and branched herb up to 200cm tall, with subterraneanstolons and grooved stem; leaves pinnatipartite to bipinnate, up to 10.5 (-14)cm long,with lanceolate, 1-7mm wide segments, with dense white lanate-arachnoid hairsbeneath; heads in panicles with spiciform branches, 3.5-5mm long, central flowersbisexual, corolla pale green; fruit glabrous, but not developing in Java. (Indonesia) Aromatic, perennial herb with 0.4-1m high. Leaves alternate, pinnately lobed, dark-green above, white-grey and pubescent beneath. Inflorescence in drooping small head of terminal, compound raceme; flowers greenish-yellow. Flowering period: October-December. (Laos) A perennial, often ascending and branched herb; with subterranean stolons and grooved stem; leaves pinnatipartite to bipinnate; heads in panicles, central flowers bisexual, corolla pale green; fruit glabrous. (Philippines) A semi-shrubby perennial with erect stems 60-90cm tall, virgate and slightly cottony; leaves simple, alternate, numerous, 5-l0cm long, broadly oval in outline, very deeply pinnatisect, the upper segment large, lower segments very small, all cut again into narrow, acute, mucronate segments, pilose or glabrous above, densely cottony-pubescent and white beneath, uppermost segment lanceolate and entire; flowers brownish-yellow, regular, all tubular in heads which are solitary or 2 or 3 together, sessile or stalked in axils of leaves forming a long spicate leafy inflorescence; involucre ovoid, bracts few, imbricate, the inner ones very obtuse, membranous, receptacle naked, outer row of flowers female, fertile; disc flowers few and bisexual; sepals absent, petals 5 fused, tubular or ligulate; stamens 5, inserted in the corolla-tube, absent in female flowers, anther bases obtuse; ovary inferior, unilocular with a basal ovule, style-branches of bisexual flowers short, truncate with a tuft of hair at the end; fruit a very small achene without a pappus. - (Sri Lanka) Aromatic, perennial herb, 0.4 - lm. high. Young twigs pubescent. Leaves altemate, pinnately lobed, dark-geen above, white-grey and pubescent beneath. Inflorescence in drooping small head of termlinal, compound raceme; flowers greenish-yellow. Achene minute, oblong-ellipsoid. (Vietnam)