It has charming wavy leaves and looks attractive when planted collectively.
“Daonoi” is an odd plant growing in fast-flowing rivers in northwest Thailand on limestone. It was long only known to science, but some years ago, some aquarists from Thailand discovered it for the hobby. It is characterised by compact growth, curly leaves and a nice light green hue.
| Common names | Downoi |
| Synonyms | Anuragia helferi (Hook. f.) Raizada, Dysophylla helferi Hook. f., Eusteralis helferi (Hook. f.) Panigrahi |
| Complete botanical name | Pogostémon hélferi (Hook. f.) Press |
| Family | Lamiaceae |
| Genus | Pogostemon |
| Difficulty | medium |
| Usage | Epiphyte (growing on hardscape), Midground, Nano tanks, Foreground, group |
| Growth | medium |
| pH value | 5 – 7 |
| Temperature tolerance | 15 – 28°C |
| Carbonate hardness | 2 – 14°dKH |
| General hardness | 0 – 30°dGH |
| Propagation | Cuttings, Splitting, cutting off daughter plants |
| Can grow emersed? | yes |
| Source | Flowgrow |
