Alismatales, Hydrocharitaceae
Enhalus acoroides (Linnaeus) Royle

In natural habitat.
Photo Data
- Place
- : Samui Island, Surat Thani.
- Depth
- : 1.5 m
This seagrass has long, wide leaves up to 150 cm long and 1.5 cm wide, and have about 15 veins on the leaf surface and numerous serrations at the apices. The thick rhizomes are about 1-2 cm in diameter, and covered with coarse black bristles, and have thick and hard roots. The plants grow in muddy to sandy substrates in subtidal zones along calm shorelines.

Fresh specimen.

Close-up view of hard and thick rhizome.