Mangroves
Tumu-tumu
Bruguiera cylindrica
IUCN: LC
Tumu-tumu (Bruguiera cylindrica) is a mangrove of the family Rhizophoraceae recorded in the biodiversity data of PRPM Mengare.
It is one of 22 species in the group “Mangroves” recorded at the site, and one of 10 species of the family Rhizophoraceae.
How to recognise it
- Form
- Small to medium tree, 3–15 m tall, straight trunk, grey-brown bark.
- Roots
- Clear knee roots looping up out of the mud.
- Leaves
- Opposite, elliptic to oblong, 5–12 cm; glossy green, pointed tip, black dots underneath (typical of Bruguiera).
- Flowers
- Single flowers in the leaf axils; small greenish-white flowers with a cylindrical calyx tube of 8–12 lobes.
- Fruit & seed
- Slim cylindrical hypocotyl, 8–15 cm long, often hanging before it drops.
Did you know?
The name “cylindrica” comes from its straight, slim hypocotyl. This propagule sprouts on the tree, can float and travel with the tide, then lodges in the mud. The species usually grows on tidal riverbanks and in sheltered mangroves.
Video from the site
Quick facts
- Scientific name
- Bruguiera cylindrica
- Indonesian name
- Tumu-tumu
- Family
- Rhizophoraceae
- Group
- Mangroves
Conservation status
- IUCN Red List
- Least Concern








