Difference between revisions of "Verbascum densiflorum"
Rar. Lig. [Ital.] Pl. 3: 52. 1810.
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|name=Verbascum thapsiforme | |name=Verbascum thapsiforme | ||
|authority=Schrader | |authority=Schrader | ||
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|hierarchy=Scrophulariaceae;Verbascum;Verbascum densiflorum | |hierarchy=Scrophulariaceae;Verbascum;Verbascum densiflorum | ||
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name=Verbascum densiflorum | name=Verbascum densiflorum | ||
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|authority=Bertoloni | |authority=Bertoloni | ||
|rank=species | |rank=species | ||
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|publication year=1810 | |publication year=1810 | ||
|special status=Introduced | |special status=Introduced | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V17/V17_55.xml |
|genus=Verbascum | |genus=Verbascum | ||
|species=Verbascum densiflorum | |species=Verbascum densiflorum | ||
Revision as of 19:10, 16 December 2019
Biennials. Stems 30–120 cm, densely and persistently tomentose, eglandular. Leaves: surfaces densely and persistently tomentose, eglandular; basal and proximal cauline with petiole 10–30 mm; blade obovate to oblong-ovate, 5–25(–30) × 4–8(–12) cm, base attenuate; cauline not clasping, gradually smaller distally, base long-decurrent, margins crenate, apex of distal cauline and floral bracts long-acuminate. Inflorescences unbranched, narrowly cylindric, sometimes branched from proximal nodes, forming a panicle, flowers densely overlapping, in clusters of 2–8; rachis densely and persistently tomentose, eglandular; bracts ovate, 15–40 mm, base decurrent, apex long-acuminate, densely and persistently tomentose, eglandular. Pedicels free or adnate to rachis at base, 3–15 mm; bracteoles 2. Flowers: calyx 5–12 mm, densely and persistently tomentose, eglandular, lobes ovate-lanceolate to lanceolate; corolla yellow, 30–55 mm diam., pellucid glands absent or relatively few; proximal filaments glabrous, distal pair villous, hairs white or yellow, anthers orange; stigma spatulate, base decurrent. Capsules elliptic-ovoid, 5–8 mm, tomentose.
Phenology: Flowering May–Aug.
Habitat: Fields, roadsides, disturbed sites.
Elevation: 50–300 m.
Distribution
Iowa, Mass., Mich., Mo., Wis., Europe, Asia, introduced also in South America (Chile), Australia.
Discussion
Verbascum ×humnickii Franchet is a hybrid between V. densiflorum and V. thapsus.
Selected References
None.