Senin, 21 Juni 2010

Sagina Nodosa

Sagina nodosa (Sagina nodosa, synonym: Spergula nodosa) is a plant belonging to the carnation family (Caryophyllaceae). The species is on the Dutch Red List of plants as relatively rare and greatly reduced in number. The plant is native to Eurasia and North America. Sagina nodosa like lying vetmuur (Sagina procumbens), but is slightly larger and has a few flowers in the axils of the upper leaves. Also, Sagina nodosa have five petals and sepals instead of four to five by lying vetmuur. The chromosome number is n = 10 to 12.28 [1]


The plant is 5-20 cm high, is a taproot and has little point coming from an ascending stems. The opposite leaves are narrow and linear short mucronate. The lower leaves are 5-15 mm long, the upper usually not longer than 5 mm. The middle and upper leaves in the armpits are a bundle of leaves, which can lose weight and then go to vegetative propagation carrots in order to ensure.


Sagina nodosa flowers from July to September with white, 6-12 mm wide flowers. The five petals are twice as long as the five sepals. The flower has five stamens and a pistil vijfstempelige.


The plant is found on wet, nutrient-poor, calcareous soil in vegetated dune valleys and beaches. Can also be blue grasslands and humid to wet walls occur.


The fruit is almost round vijfkleppige capsule. The dark brown, oval seeds are about 0.5 mm.




Source: http://nl.wikipedia.org/wiki/Sierlijke_vetmuur

See also: International Flower Delivery, Florist

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