Scleranthus perennis L.

S. perennis L, Sp. PI. ed. 1 (1753) 406; Vel., Fl. Bulg. (1891) 186; Hayek, Prodr. Fl. Penins. Balc. I (1924) 178 — Обикновена хрущялна

Fam:   Caryophyllaceae Juss.
Genus:   Scleranthus L.
Species: Scleranthus perennis L.
English Name: Perennial knawel


A perennial plant. Stem branched from the base of several primary recumbent, ascending or more or less hardening is upright branches; usually the last branch repeatedly secondary; round, unilaterally covered with short curved hairs  or or on bare, up to 20 - 25 cm long. Leaves opposite, linear styliform, usually draped in length, sessile, at the base slightly expanded, with white membranous ciliary edge of tapered tip, green to gray-green, naked, 5 - 10 mm long, usually more or less equal internodes or shorter than them; last 6 - 10 mm in length. Blossoms sessile, grouped in clusters zymosan top concise. Bract leaves  styliform, curled along their length, edge tunicates, 1/2 to 1/3 of the length of the calyx. Calyx with ripe fruit (3) 3.5 - 4.5 mm long, goals or underlying fringedunderlying fringed; shares with 2/3 longer than the tube and elliptical, on the top more or less blunted, with clear green dorsal vein and wide white membranous edge, fetal face or atop a slight downturnfetal face or atop a slight downturn, in length equal. Stamens - 10. Fruit membranous. Seed lenticular, smooth, up to 1 cm long. Homogam (identical gametes), entomophilic, self-pollinating.
From: „Флора на НР България”, том III, БАН, София, (1967)

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Perennial knawel (Scleranthus perennis L.) is a perennial herbaceous plant of the carnation family. It grows on sandy, dry, acidic soils. It can grow up to 15 cm high and has white flowers of 2–5 mm. The plant used to be economically significant as the major host plant of the Polish cochineal.
From Wikipedia, the free encyclopedia

Flowering Time: Blooms: V – IX  

References: : „Флора на НР България”, том III, БАН, София, (1967), Wikipedia, the free encyclopedia

Distribution in Bulgaria: In dry grasslands, rocky and sandy places. Widespread until about 1500 m altitude (Conspectus of the Bulgarian Vascular Flora) = conspectus&gs_l= Zlc.

Distribution: Europe, western Mediterranean, Caucasus, Southwest Asia.

Conservation status and threats: not protected species in Bulgaria by theBiodiversity Law. Законодателство на Република България: Закон за биологичното разнообразие

Medical plant: yes it is -

1. 2. 3. 4. 5. 6.

Scleranthus perennis 1. Scleranthus perennis 2. Scleranthus perennis 3. Scleranthus perennis 4.

Scleranthus perennis 5. Scleranthus perennis 6.


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