The Giant Knotweed in Winter.

Thanks to a colleague at work who contacted an acquaintance at the Botanical Garden in Leiden, I finally have an answer to my question regarding the Giant Knotweed I photographed back in 2006.

It seems that people-in-the-know are not quite certain whether the botanists at the Leiden Hortus have tagged this plant correctly. The owner/author of the blogpost has tried to contact the Leiden Hortus, but never received a reply. [from Fallopia sachalinensis - is it the real plant?] Last Friday (May 6) I was in the Leiden [...]

In 2006 I was at the Botanical Gardens of Leiden University (Leiden Hortus) taking some photographs. One of the plants I took photos of was the Fallopia sachalinensis, or Giant Knotweed. A few months later – while checking the statistics of my photos – I noticed quite a few visits from one particular website, Invasive Species. [...]