Thesium billardieri
Thesium billardieri
Meşe güveleği
Biennial . Leaf and bract margins scabrid. Stems simple or somewhat branched, procumbent to ascending, 10-30 cm. Leaves often heterophyllous; cauline narrowly oblanceolate, 3-30 x 1-1.5 mm, often secund; basal thickened, obovate, 11-25 x 4.5-7 mm. Inflorescence a panicle, lateral cymes compact, 1-3-flowered. Bracts 1-3 x as long as fruit. Flowers white with green veins, perianth campanulate, 2.75-3 mm, lobes linear-oblanceolate, 1-1.5mm. Fruit 4-5.5 x 2-2.75 mm, nut obovate, reticulate-nerved, glabrous, rarely scabrescent, persistent perianth 1/3-2/3 x as long as nut. Fl. 4-7. Quercus scrub and limestone slopes, 600-1350 m.
Lebanon, Anti-Lebanon, Palestine. Ir.-Tur. element.
