Acta Phytotax. Geobot. 29: 168. 1978. 1978
Shrubs, 20–100 cm. Stems 1+, erect, branched distally, puberulent, glabrescent. Leaves cauline (mostly clustered distally on stems); alternate; sessile; blades oblong or spatulate to lanceolate (bases cuneate), margins distally toothed or entire, faces glabrous or hirtellous. Heads radiate, borne singly. Involucres hemispheric or broader, 15–20 mm diam. Phyllaries persistent, 30–50+ in ± 4 series, distinct, lanceolate, oblong, obovate, or ovate (not carinate), unequal, margins and apices scarious. Receptacles convex, epaleate. Ray florets 21–34+, pistillate, fertile; corollas white, laminae ± ovate to linear. Disc florets [50–]80–250+, bisexual, fertile; corollas yellow [red or purple], tubes cylindric (not basally dilated, usually gland-dotted), throats ± campanulate, lobes 5, deltate (without resin sacs). Cypselae ± columnar, ribs 8–10 (not winged), faces probably glabrous (pericarps without myxogenic cells or resin sacs); pappi crowns of scales. x = 9.
Introduced; Asia (Japan).