Verbascum cheiranthifolium

Bozkulak

Biennial, 30-120 cm, tomentose with fine, short, adpressed or subadpressed, yellowish more rarely greyish or whitish, soft or more frequently somewhat harsh stellate hairs. Stem slender, terete, longitudinally striate, usually many-branched. Basal leaves linear-lanceolate to oblong, 7-30 x 1.5-8 cm, blunt to acutish and acuminate, entire or rarely crenate; petiole 2-6 cm; upper cauline lanceolate to broadly ovate and suborbicular, ± acuminate, rounded or subcordate at base. Inflorescence rarely simple, usually with many slender, erect-spreading branches, forming oblong to ovate panicle, with ± loose clusters of 2-7 flowers. Bracts broadly triangular- to linear-lanceolate, acuminate. Pedicels to 12 mm; bracteoles lanceolate. Calyx 1.5-4.5 mm, lobes linear- to triangular-lanceolate, acute or acuminate, rarely obtuse. Corolla yellow, 20-25 mm diam., without pellucid glands, stellate-tomentose outside. Stamens 5, anthers reniform, filaments with whitish-yellow wool up to anthers. Capsule cylindrical to oblong-elliptic, 4-7x2-4 mm, densely stellate-tomentose.
 1. Calyx lobes blunt or shortly mucronate, glabrescent above var. obtusiusculum
 1. Calyx lobes acute or acuminate, not glabrescent above
  2. Calyx to 2 mm, capsule cylindrical var. asperulum
  2. Calyx 2-4.5 mm, capsule oblong-elliptic or oblong-cylindrical
   3. Calyx 2-3 mm
    4. Calyx lobes linear-lanceolate, capsule 1 ½ -2 x calyx  var. cheiranthifolium
    4. Calyx lobes triangular-lanceolate, capsule 2-3 x calyx  var. transcaspicum
   3. Calyx 3-4.5 mm
     5. Capsule oblong-cylindrical, to 2 1/2 x calyx var. cataonicum

     5. Capsule oblong-elliptic, not more than 2 x calyx
      6. Basal leaves distinctly crenate, indumentum dense, rough, yellowish, capsule c. 2 x calyx var. pisidicum
      6. Basal leaves subentire, indumentum very dense, soft, adpressed, whitish, capsule scarcely or to 1-3 x calyx var. heldreichii