Silene

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Silene is a plant genus belonging to the Caryophyllaceae family. It includes approximately 600-700 species, with many found in temperate areas of the northern hemisphere.

Description

### Appearance and Leaves

Silene species grow as one- to two-year-old or perennial herbaceous plants, rarely half-bushes. The stems are independently upright, ascending or crawling. The leaves are oppositely arranged, with lower ones usually stalked and upper ones seated. The simple leaf shapes are peel-shaped, linear, lancet-like to egg-shaped lancet-like or elliptical.

### Flowers and Inflorescences

The flowers stand individually or are grouped in inflorescences which have the form of monochasia, dichasia or thyrsene. The radially symmetrical flowers are five-fold with a double flower shell. The five calyx leaves are tubular, funnel-shaped, egg-shaped or bell-shaped.

Distribution

Silene species are mainly distributed in temperate areas of the northern hemisphere. Some species native to the Arab world include:

1. **Silene escallonioides**: found in Syria, Lebanon, Jordan, Palestine, Israel, Egypt, Cyprus, Crete
2. **Silene ismailiana**: found in Syria, Lebanon, Jordan, Palestine, Israel, Egypt
3. **Silene atlantica**: found in North Africa
4. **Silene suwerzianii**: found in Syria, Turkey
5. **Silene italica**: found in Syria, Turkey, most of Europe
6. **Silene albanica**: found in Syria, Egypt, North Africa, southern Europe
7. **Silene barbeyana**: found in North Africa
8. **Silene borysthenica**: found in North Africa, Spain, Portugal
9. **Silene tridentata**: found in Syria, Lebanon, Jordan, Palestine, Israel, North Africa, Spain
10. **Silene dichotoma**: found in Syria, Balkans, eastern Europe, Italy
11. **Silene juncifolia**: found in Egypt, North Africa

Note: The exact number of Silene species is not universally agreed upon, with estimates ranging from 600 to 700.