Aster amellus Aster amellus Aster amellus, the European Michaelmas-daisy, is a perennial herbaceous plant of the genus "Aster", belonging to the Asteraceae family. In the language of flowers, the Michaelmas-daisy symbolizes a farewell or a departure. The genus name ("Aster") comes from the Greek and means "star-shaped flower." The specific name ("amellus") is first used in the Georgics (Book IV, 271-280), a poem of the Latin poet Publius Vergilius Maro (70 BC - 19 BC), but the etymology is obscure and uncertain. "Aster amellus" reaches on average a height of . The stem is erect and branched, the leaves are dark green.
Maro River river borders the northern side of Wasur National Park. The river flows in the southern area of Papua with predominantly tropical monsoon climate (designated as "Am" in the Köppen-Geiger climate classification). The annual average temperature in the area is 23°C. The warmest month is September, when the average temperature is around 26°C, and the coldest is May, at 21°C. The average annual rainfall is 2238 mm. The wettest month is February, with an average of 445 mm rainfall, and the driest is August, with 29 mm rainfall. Maro River Maro River also known as Sungai Merauke and Merauke-rivier, Merauki River