Verbascum thapsus

Burunca

Biennial, 30-200 cm, ± densely greyish- or whitish-tomentose, eglandular. Stem robust, usually simple. Basal leaves ovate to oblong, 8-50 x 2.5-14 cm, crenate to crenulate and subentire, petiole absent or to 5 cm; cauline numerous, smaller, decurrent, oblanceolate to obovate, acute or shortly acuminate. Inflorescence dense, usually simple, with clusters of 2-7 flowers. Bracts ovate- to lanceolate-acuminate, 12-18 mm, lower decurrent; bracteoles 2. Pedicels partly adnate to stem, free part 1-5 mm. Calyx 7-12 mm, lobes lanceolate, acute to acuminate. Corolla yellow, 12-20 mm diam., with ± numerous pellucid glands, pubescent outside. Stamens 5, 3 posterior filaments with whitish-yellow wool up to anthers, 2 anterior glabrous or with sparse hairs in middle, their anthers decurrent or obliquely inserted, 1-2 mm. Capsule broadly elliptic-ovate, 7-10 x 46 mm, tomentose. Fl. 6-8. Riversides, forests, Corylus and Quercus scrub, volcanic tuff, 350-1100 m.

Widely distributed in temperate Eurasia eastwards to China. Euro-Sib. element.