Bombax ceiba | Bombax |
Bombax malabaricum- locally termed Sunbal or Silk Cotton Tree - native to Himalayas
The original Cantonese name of the village was believed to be based on a big tall cotton tree (Bombax malabaricum, Bombax ceiba 木棉樹) often covered with bright red blossoms at the time, hence red pillar (赤柱) in Hakka language.