Lappula heterantha (Ledeb.) Gurke

Closely related to Lappula squarrosa but differing in the outer series of appendages are shorter than the inner series.

Annual up to 40 cm tall. Stem simple or branched. Stem and branches covered with suberect hairs arising from a tuberculate base. Basal leaves soon withering, oblanceolate, 15-60 x 4-10 mm, covered on both surfaces with suberect hairs. Cauline leaves similar but smaller. Fruiting pedicel erect, 2-3 mm long. Calyx lobes c. 2 mm long, up to 3 mm in fruit, spreading. Corolla blue, 3-4 mm long. Nutlets c. 2.5 mm long, margin with 2-series of glochidiate appendages, of which the outer series is smaller. Middle dorsal area ± keeled and minutely tuberculate. Style barely exserted.

Distribution: E. Europe, Soviet C. Asia, Iran, Pakistan, W. Tibet.

Fl. Per.: June.