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Davis' knotweed (Polygonum davisiae)

Davis' knotweed (Polygonum davisiae)

B830/3248

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Credit

BOB GIBBONS / SCIENCE PHOTO LIBRARY BOB GIBBONS / SCIENCE PHOTO LIBRARY

Caption

Davis' knotweed shoots (Polygonum davisiae) emerging from thawed ground. The young leaves are protected by red ochreae (fused stipules). These are protective organs which fall off as the plant grows. Photographed on a mountain in the USA, in July.

Release details

Model release not required. Property release not required.

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