Verbascum thapsus |
Verbascum bombyciferum |
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flannel mullein, great mullein |
Verbascum bombyciferum |
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Habit | Coarse, taprooted biennial, producing a rosette of basal leaves the first year, and a single, erect stem 0.4-2 m. tall the second year, the entire plant covered with white-woolly, branched hairs. | |
Leaves | Basal leaves broadly oblanceolate, 1-4 dm. long and 4-12 cm. wide, tapered to a long petiole, nearly entire; cauline leaves alternate, numerous, reduced upward, becoming sessile and clasping. |
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Flowers | Inflorescence a dense, elongate spike; calyx of 5 sepals; corolla usually yellow, slightly irregular, 5 lobed, 1-2 cm. wide; stamens 5, all fertile, the upper 3 filaments densely yellow-hairy, the lower 2 glabrous and longer. |
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Fruits | Capsule broadly ovoid, 7-10 mm. long. |
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Verbascum thapsus |
Verbascum bombyciferum |
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Flowering time | June-September | |
Habitat | Fields, roadsides, wastelots, disturbed forest edge, thickets, and other disturbed open areas. | |
Distribution | Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
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Origin | Introduced from Eurasia | Introduced |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Subordinate taxa | ||
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