TABLE 1 in Taxonomic studies in Wedelia (Asteraceae, Heliantheae) reveal a new species for the Brazilian Cerrado

TABLE 1. Comparisons of Wedelia tenuinervia and similar species. CharacterW. foliaceaW. oligocephalaW. tenuinerviaUnderground systemxylopodium cylindrical, up to 5 cm diam., or absentxylopodium rounded, 2–3 mm diam.xylopodium napiform, 5–20 cm diam.Leaf blade texturemembranaceoussubcoriaceousmembranaceousLeaf blade venationacrodromousacrodromousbrochidodromousGlandular trichomes on leaf blade abaxial surfacelackingpresentpresentLeaf blade marginflatrevoluteflatCapitulescencesolitary capitulum, very rarely in dichasiain dichasiasolitary capitulumPhyllaries abaxial surface indumentsetose or glabrescentstrigosestrigilloseGlandular trichomes at corolla and anther apical appendagelackingpresentpresentCorolla coloryellow or creamyellowyellowRay flower sexualityneuter, sterilepistillate, fertilepistillate, fertileNumber of ray flower per capitulum8–158–106–8Length of corolla limb of ray flower11–32 mm6–8 mm10–11 mmPappuscoroniform, fimbriate with awnscoroniform, fimbriate, lacking awnscoroniform, fimbriate, lacking awnsCypsela cross section (disc cypselae)biconvex, not keeledbiconvex to 4-anged, not keeled4–5-angled, keeled at anglesCypsela cross section (ray cypselae)absent (sterile flowers)3-angled, not keeled3–4(5)-angled, keeled at anglesCypsela basal scarpresentlackinglackingCarpopodiumconspicuous, 2 plates or one shallowly bilobedinconspicuousinconspicuous