I-GNAPHALIEAE CABEZUELAS RADIADAS O DISCOIDEAS, RECEPTÁCULO LISO O CON ESCAMAS, ANTERAS ESTILOS LINEALES CAUDADAS HOJAS ALTERNAS, CYPSELA CON BRISTLE O NAKED

Head, florets, stamens, and achenes in Asteraceae. A, head in L.S.; B, stamens with anthers tailed and with apical appendages; C, ray floret; D, filiform floret; E, disc floret; F—K, achenes with pappus of different types; F, pappus of bristles; G, pappus of scales; H, pappus scales reduced to a cup; I, pappus of awns, J, achene with neck and pappus reduced to a thickened ring; K, achene b















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