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Herniaria glabra L. - Caryophyllaceae
smooth repturewort, Kahles Bruchkraut
„Annual, biennial, or perennial herb, light to yellowish green, glabrous or puberulent, some-times with woody caudex. Stems spreading to prostrate, 5-35 cm. Leaves opposite, or distalmost alternate; stipules 0.5-1.5 mm; blade obovate-elliptic to sub-orbiculate, 3-7(-10) mm, glabrous or sometimes short-ciliate. Inflorescences mostly leaf-opposed, 6-10-flowered. Flowers 1-1.5 (-1.8) mm, usually glabrous or sometimes short-ciliate; native to Europe, West Sibiria, West Asia, North Africa; intriduced in North America.
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=220006279
The dried herb contains saponins called herniaria saponins with triterpenes as aglycon.
[New triterpene saponins from Herniaria glabra. Freiler, M., Reznicek, G., Jurenitsch, J., Kubelka, W., Schmidt, W., Schubert‐Zsilavecz, M., … & Reiner, J., Helvetica chimica acta, Vol.79(2), 1996, 385-390]