Hyoscyamus squarrosus Griff.

Allied to the Persian Hyoscyamus kotschyanus Pojark. From which it differs in the stem being branched and thicker, and unpitted seeds. Plant parts said to be medicinal.

Biennial, 20-24 cm or more tall, branched. Young shoots tomentose to villous. Leaves 5-12 x 1.5-4.5 cm, sessile to subsessile, lanceolate or oblanceolate, uppermost leaves subentire, lower sinuate to dentate, the lobes up to 15 mm long. base cuneate to ± amplexicaule. Pedicel up to 10 mm long. Calyx 15-17 mm long. campanulate, enlarging in fruit, 1/2 cleft into triangular-subulate lobes 7-10 mm long, villous, especially at the base. Corolla 20-24 mm long, yellow, throat purplish, tube short, pubescent, especially within, 5-6 mm long, obtuse, nervose. Stamens included. Anthers c. 3 mm long, yellow. Filaments 9-12 mm long, slender, base pubescent. Style linear, subexserted, stigma sub-capitate, present slightly above the stamens. Pyxidium 11-14 mm long. Seeds 1.6 mm long, subreniform, compressed. rugose-tuberculate.

Distribution: Iran, Turcomannia, Afghanistan, Pakistan (Baluchistan & Kurram).

Fl. Per.: March-May.