| Branched stem. Somerset, July |
 | Branched stem. Somerset, July |
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| Unbranched stems. Somerset, July |
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Unbranched stems. Somerset, July |
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| Main stem junction and branches. Somerset, July |
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Main stem junction and branch. Somerset, July |
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| Main stem junction and branches. Somerset, July |
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Main stem junction and branches. Somerset, July |
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| Main stem junction with developing branches. Somerset, July |
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Main stem junction with developing branches. Somerset, July |
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| Stem node. Somerset, July |
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Tip of sterile stem. Somerset, July |
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| Developing cone. Somerset, July |
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Developing cone. Somerset, July |
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| Developing cone. Somerset, July |
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Tips of sterile stems. Somerset, July |
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| Section through main stem, branched specimen. Cultivated material, September |
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Section through main stem, unbranched specimen. Cultivated material, September |
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| Mass of stems. Somerset, July |
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