Description from Flora of China
Sphaeromorphaea australis (Lessing) Kitamura.
Herbs, annual. Stems much branched, branches straggling, flexuous, woody toward base. Cauline leaves oblanceolate-oblong, 3.5-4 × 1-1.8 cm, sparsely pilose on both surfaces, base narrowed into petiole, margin irregularly toothed or lyrate-pinnatilobed, lobes often obtuse, mucronulate and irregularly mucronulate-dentate, apex obtuse or rounded; upper leaves ± same size as median ones. Capitula globose, 4-6 mm in diam., shortly pedunculate; peduncle 3-12 mm, few bracteate or not. Involucre depressed hemispheric, ca. 6 × 1 mm; phyllaries in 1 or 2 series, outer ones shorter, ovate, apex acute, others oblong, scarious, apex obtuse. Corolla of marginal florets ca. 0.7 mm; corolla of central florets ca. 1.3 mm, 5-dentate. Achenes cylindric, ca. 0.5 mm, gland-dotted. Fl. Mar-Jun and Sep-Nov.
Fields, roadsides; low elevations. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan [India, Malaysia, Thailand, Vietnam; Australia].