Key to Verbascum

View taxon page for Verbascum

(For a list of species in Verbascum, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Leaf glabrous or ± hairy; filaments all densely purple-hairy; fruit glabrous to glandular-puberulent

2. Leaf glabrous; proximal 

pedicels 

Stalk of an individual flower in an inflorescence, or the corresponding structure in fruit.

10–15(25) mm, flowers 1 per 

node 

Position on a stem from which one or more structures (especially leaves, buds, branches, or flowers) arise.

..... V. blattaria

2' Leaf ± hairy; proximal pedicels < 10 mm, flowers 1–4 per node ..... V. virgatum

1' Leaf densely 

tomentose 

Covered with densely interwoven, generally matted hairs.

; upper 3 filaments white- or yellow-hairy, lower 2 glabrous to ± hairy; fruit densely tomentose

3. Inflorescence branched, not dense ..... V. speciosum

3' Inflorescence generally unbranched, dense

4. Cauline leaves not 

decurrent 

Pertaining to a wing-like or ridge-like extension basal to the apparent or actual point of attachment, particularly a leaf base that appears to continue onto the stem.

; corolla 20–30 mm; petals not glandular ..... V. bombyciferum

4' Cauline leaves decurrent; corolla 12–20 mm; petals glandular ..... V. thapsus

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Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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