Thalassia hemprichi

14 10 2008

 

Thalassia hemprichi

 

Category of Organisms

Seagrasses

Kingdom

Plantae

Phylum/Division

Magnoliophyta

Class

Liliopsida

Order

Hydrocharitales

Family

Hydrocharitaceae

Genus

Thalassia

Species

hemprichi

Binomial Name

Thalassia hemprichii

 

Appearance: The leaves are usually sickle-like hooked/curved shaped and are dark green. With short black bars of tannin cells in their leaf blades, they are around 10-40cm long although in Singapore, leaves are only about 10 to 20cm long.

 

Structure: They have thick rhizomes, of up to 5mm, with air channels and conscpicous scars between shoots. With 10-17 longitudinal leaf veins and leaf sheaths of 3-7cm long, they are firmly anchored.

 

Distribution: They are widely distributed in the coastal waters of the Indian Ocean and the western Pacific, they are often found on shallow reef flats and in large beds. They are common on reef flats where it may form dense meadows. Moreover, they can also be found colonizing muddy substrates, especially at low tide.

 

Environment/ Habitat: They are often found on shallow reef flats, where it may form dense meadows. Moreover, it is common to see them in large beds and also be found colonizing muddy substrates, especially at low tide.

 

Reproduction: The inflorescence on the flowers is usually single, each having a separate spathe on short shoots. The male flower releases pollen grains in long chains within their mucilage tubes while the female flower has papillate stigma have papillate stigmata with surface pellicles that undergo esterase activity and their cuticle accumulated with acid phosphatase. Thalassia hemprichi usually produce relatively larger fruits.

 

 

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One response

14 10 2008
ria

Wow! This is great information! Thank you for sharing it.

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