Sacred trees under threat

As Christmas approaches, crimson flowers of Pōhutukawa trees line the streets of Aotearoa (the Māori name for New Zealand). Widely regarded as the national Christmas tree and deeply associated with Māori culture, this species and its relatives are under threat.

Tubers in Trouble

Serene Hargreaves and Paul Wilkin report on the risk of extinction in Dioscorea, revealing how threatened they are, and why it matters.

Plant colours are not all about pigments

Kew Scientist Paula Rudall reflects on a long-term Cambridge-Kew collaboration on why structural colour in plants is so important in the natural world, including helping birds and bees to find food and pollinate flowers.

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