Neptune grass, Mediterranean tapeweed

Names and Synonyms

Common Names

• Mediterranean Tapeweed
• Neptune Grass
• Species code: Po

Scientific Names

Accepted name

Synonyms

• Caulinia oceanica
• Alga oceanica
• Taenidium oceanicum
• Zostera oceanica
• Aegle fragilis
• Posidonia caulini
• Kernera oceanica
• Taenidium acuminatum

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. It is further categorized under the subclass Magnoliidae and the order Alismatales. Finally, it is a member of the family Posidoniaceae, falling under the genus Posidonia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily found within the coastal waters of Southwestern Europe. Its distribution includes the scenic islands of the Baleares and Sardegna. It also extends to the Mediterranean shores of Corse and France. Furthermore, the species is widely recorded along the coastlines of Spain. These specific locations define its primary ecological range in the region.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Posidonia oceanica is characterized by a perennial lifecycle, allowing the organism to persist in its marine environment over many years through continuous growth and structural stability. In terms of its biological classification regarding life form, it functions as a geophyte, relying on its extensive rhizome systems for long-term survival and storage within the seabed substrate. Furthermore, its structural organization aligns with the characteristics of a cryptophyte, as its vital regenerative organs are protected beneath the sediment, ensuring its endurance against environmental fluctuations in the Mediterranean ecosystem.

Life form :

geophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Posidonia oceanica is characterized by its aquatic nature, existing strictly as an aquatic organism within marine environments. It is a self-supporting species that does not exhibit climbing habits, functioning instead as a self-supporting organism within its substrate. Its growth form is classified as a graminoid or forb-like herb, lacking any woody structure and maintaining a strictly non-woody composition throughout its vegetative parts. Furthermore, the plant is an independent organism that does not rely on a host, maintaining a terrestrial-like functional independence in terms of its nutritional requirements, though it resides entirely submerged.

Aquatic :

aquatic

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Woodiness :

non-woody

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Posidonia oceanica has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include rhizome.

Rhizome

1. RSC advances

Chemicals

Posidonia oceanica has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids.

Flavonoids

1. RSC advances

Activities

Posidonia oceanica has 2 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antidiabetic, Antioxidant.

Antidiabetic

1. RSC advances

Antioxidant

1. RSC advances

Conditions

Posidonia oceanica has 1 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include antidiabetic.

Antidiabetic

1. RSC advances