Phymaspermum

Shrubs or subshrubs, glabrous or pubescent. Leaves alternate, small, linear or subterete, sometimes appressed, entire or lobed; often with secondary shoots in axils of primary leaves. Capitula radiate or rarely discoid, few-flowered, solitary at apex of branches or laxly corymbose, pedunculate or rarely sessile. Involucre campanulate to subglobose; bracts in 4 or 5 rows, sometimes with membranous tip, ciliate, glabrous, sometimes glandular on back. Receptacle flat or slightly convex, epaleate. Rayflorets female, fertile; corolla white or yellow; tube with oblong or elliptic, minutely 3-toothed lamina, 3-4 times longer than tube, glandular. Discflorets bisexual, fertile; corolla tube short with distinct campanulate, partly enervate, 5-lobed limb. Anthers ecalcarate and ecaudate; with oblong or lanceolate, apical appendage. Style terete, sometimes swollen at base, with linear, truncate branches. Cypselas ellipsoid-obovoid to terete, with 10-18 rounded ribs, minutely papillose, apically with entire or toothed thickened rim, rarely developing into small crown. Pappus 0.