Posidonia robertsoniae
From Wikipedia, the free encyclopedia
| Posidonia robertsoniae | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Alismatales |
| Family: | Posidoniaceae |
| Genus: | Posidonia |
| Species: | P. robertsoniae |
| Binomial name | |
| Posidonia robertsoniae Cambridge and J.Kuo | |
Posidonia robertsoniae is one of the seagrasses of Western Australia, submerged flowering plants that occur in the southern coastal waters.
A species of Posidonia, submerged flowering plants found in Mediterranean climates. A perennial rhizomatous herb that appears as stands in marine habitat. This species is found at depths from 0.5 to 20 metres on white sands, in coastal waters that may be sheltered or subject to intense wave action. The habit of Posidonia robertsoniae is as a clumping stand, it is rhizomatous plant that puts out shoots with one or two leaves. The leaf blades are 2.5 to 4 millimetres wide, and 1.5 metres long. They are slightly leathery and uneven on the upper surfaces. Between 6 and 9 veins appear on each leaf. The flowering period is primarily during the months of August and September.
Distribution
Posidonia robertsoniae is recorded at coasts of Southwest Australia, from Warnbro Sound to Israelite Bay.