Capitulum, florets, achenes, and floral micromorphological characters of Sinosenecio tongziensis A side view of a capitulum B longitudinal section of a capitulum C from left to right, a ray floret, two disc florets, and abaxial surface of a phyllary D achenes E uniformly-sized cells of filament collar F polarized and radial anther endothecial cell wall thickenings (Photographed by Ying Liu and R.B. Zhang).

 
 
  Part of: Zhang R-B, Deng T, Liu Y, Xie D-J, Wei R-X, He L, Dou Q-L, Qian Z-M (2025) Sinosenecio tongziensis (Asteraceae), a new species from north Guizhou, China. PhytoKeys 252: 187-196. https://doi.org/10.3897/phytokeys.252.141719