Sagina maritima

Beach - Pearlwort ( Sagina maritima )

The beach - Pearlwort ( Sagina maritima ) is a species of the carnation family ( Caryophyllaceae ). It is distributed along the coasts of Europe and the northern Mediterranean.

Description

The beach - mast herb grows as overwintering green, annual herbaceous plant, reaching heights of growth of usually 5 to 8 ( 3-10 ) cm. The stem is erect ascending and it is made no central rosette of leaves. The oppositely arranged leaves are constantly narrowly lanceolate, somewhat fleshy, mostly bald and they have no sting tip.

The flowering period extends from May to August. The hermaphrodite flowers are cruciform. The four sepals are contracted hood -shaped, 2 mm long, not mucronate and they are the fruit time of the fruit. The petals are minute or absent. The fruit stalks stand upright. The capsule fruit is vierklappig.

The basic chromosome number is x = 7, it is tetraploid ago, so 2n = 28

Ecology

The beach - Pearlwort is a Therophyt. There is self-pollination or insect pollination. The spread of diaspore, the seeds are carried by the wind.

Occurrence

The beach - Pearlwort is widespread along the European coasts and ranges in the Mediterranean to Asia Minor. It settled in Central Europe and the British Isles on the coasts of the North and Baltic open sandy areas in the outer dike area, but also goes into gappy salt grass. At its locations it occurs scattered. The beach - Pearlwort needs silty - sandy and saline soils.

Taxonomy

The first description was by George Don. Synonyms for Sagina maritima G.Don are: Alsine maritima Jess, Alsinella filiformis Bubani, Alsinella maritima Bubani, Sagina rodriguezii Willk, Sagina stricta Fr. .