| Division | Charophyta |
| Class | Zygnematophyceae |
| Order | Desmidiales |
| Family | Desmidiaceae |
| Basionym | Docidium ehrenbergii Ralfs |
Cells large size slightly constricted at the center, isthmus 9-12 µm, semicells with conspicuous basal inflation and usually with 1-2 smaller swellings beyond. Semicell margins slightly tapered to round truncated apex with 7-10 tubercles (rounded or conical) and punctuated cell wall. Cells with elongated parietal chloroplasts with many pyrenoids. Cells measure 240-380 µm length and 17-25 µm in breadth.
Ecology
Freshwater alga prefers oligo-mesotrophic water bodies.