长叶阔苞菊 chang ye kuo bao ju

Herbs or subshrubs. Stems 1-2 m tall, 4-7 mm in diam., branched; young branches densely powdery puberulent, later glabrescent. Middle leaves subsessile or with petiole ca. 4 mm, blade broadly linear, 7-10 × 1.2-2 cm, both surfaces densely powdery puberulent, abaxially more densely so, base decurrent, margin sparsely serrulate, apex acuminate; upper leaves subsessile, linear, 5-7 × 0.7-1 cm. Capitula numerous, ca. 5 mm in diam., in terminal corymbs; peduncles slender, 1-5 mm, densely powdery puberulent. Involucre campanulate, 5-6 mm; phyllaries in 5 or 6 series, outer ones ovate or broadly ovate, 1.5-3 mm, apex acute. Marginal florets numerous; corolla filiform, 4-5 mm, limbs 3- or 4-dentate. Central florets fewer; corolla tubular, ca. 5 mm, limbs 5-dentate. Achenes 5-ribbed, ca. 0.8 mm, white pubescent. Pappus white, persistent, ca. 5 mm, connate at base in central florets. Fl. Apr-Jun.

Fields, roadsides. Guangxi, Yunnan [Cambodia, Laos, Myanmar, Thailand, Vietnam].