Flora of the Hawaiian Islands
Dicotyledon Literature for Verbascum thapsus
Wagner et al., 1990, 1999.
   Scrophulariaceae -- The Butterfly Bush, Figwort Family Bibliography
      Verbascum thapsus

Common name(s): mullein, common mullein, flannel plant, velvet plant, woolly mullein
General Information
DistributionNative to Eurasia, now naturalized nearly throughout temperate regions of both hemispheres.In the Hawaiian Islands, naturalized on Maui, Hawai`i.

Stout biennial herbs 3-20 dm tall in the second year, densely yellowish woolly tomentose throughout, the hairs stellate or dendritic.
Basal leaves obovate to oblanceolate, 8-50 cm long, 2.5-14 cm wide, densely yellowish or whitish woolly tomentose, margins entire to shallowly crenate; cauline leaves becoming progressively smaller toward the inflorescence, oblanceolate, sessile and decurrent on stem.
Flowers in compact, spike-like panicles, pedicels partly adnate to the stem; calyx (5-)8-12 mm long, the lobes lanceolate; corolla yellow, rarely white, 8-15 mm long, scurfy pubescent externally, sometimes also ciliate, the hairs stellate; upper 3 staminal filaments villous with yellow hairs, the lower 2 glabrous to sparsely villous.
Capsules broadly ovoid to elliptic-ovoid, 0.7-1 cm long, densely tomentose with stellate or branched hairs.
2n = 32, 34, 36