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status
flower
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petals
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stem
22nd July 2013, a garden, Walkden, Gtr M/cr. | Photo: © RWD |
Very straight and amazingly strong and stiff stems. Branches in opposite pairs on square stems. |
22nd July 2013, a garden, Walkden, Gtr M/cr. | Photo: © RWD |
Upper leaves linear and in opposite pairs but sparsely on the branches with longer linear leaves in pairs just beneath the branches. |
7th Aug 2008, Martin Mere, Rufford, Lancs. | Photo: © RWD |
Several smaller not-yet flowered versions are to the lower left, complete with leaves. |
30th July 2009, River Weaver Navigation, Frodsham, Cheshire. | Photo: © RWD |
Up to 5 feet tall with a cluster of magenta flowers at the tops of thin branched square stems. Fully grown plants have few stem leaves (narrow). |
7th Aug 2008, Martin Mere, Rufford, Lancs. | Photo: © RWD |
The flowers have very long magenta tubes flared at the ends with five lilac-coloured petals. Typical of vervains, there are two stunted shorter satellite constellations below the main multiple-inflorescence. Note the two short bracts beneath the junction of the (square) stems. |
16th Aug 2010, Southport, Lancs. | Photo: © RWD |
Short hairs cover the plant. |
29th Sept 2018, a garden, Walkden, Gtr M/cr. | Photo: © RWD |
The florets are cupped by hairy sepals with long sepal teeth. The stems and branches are square with ribs. |
7th Aug 2008, Martin Mere, Rufford, Lancs. | Photo: © RWD |
The five lilac petals are slightly notched and have a magenta centre. |
7th Aug 2008, Martin Mere, Rufford, Lancs. | Photo: © RWD |
The flower tubes are hairy, as are the stems. |
30th July 2009, River Weaver Navigation, Frodsham, Cheshire. | Photo: © RWD |
Several inflorescences have yet to open (the small blue pentagonal pyramids behind the open flowers). |
16th Aug 2010, Southport Lancs. | Photo: © RWD |
Hairs fill the corolla tube preventing access by some insects (not all). |
7th Aug 2008, Martin Mere, Rufford, Lancs. | Photo: © RWD |
A young plant has more leaves at the top, all toothed. |
29th Sept 2018, a garden, Walkden, Gtr M/cr. | Photo: © RWD |
Lower leaves toothed and lanceolate, some with irregular teeth. |
29th Sept 2018, a garden, Walkden, Gtr M/cr. | Photo: © RWD |
The fruits are in long cylindrical compact bunches. |
29th Sept 2018, a garden, Walkden, Gtr M/cr. | Photo: © RWD |
Fruits purple at first turning brown. All stems with dense but short stiff hairs, rough to the touch. |
Uniquely identifiable characteristics Distinguishing Feature : The cluster of two-toned lilac and magenta flowers at the top of a very long few-branched stiff square stems. The jizz of a cluster of such plants is that there is a lot of space between them. Argentinian Vervain is more likely to be found growing in a garden. But there is a very small wild colony near Martin Mere.
The long trumpet-shaped flowers of Argentinian Vervain look very similar in shape and in colour to those of the Butterfly-Bush and other members of the
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bonariensis ![]() |
⇐ Global Aspect ⇒ |
Verbenaceae ![]() |
![]() Verbena (Vervains) |
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