Latest News:
BBC Gardeners World Podcast: Listen to the full episode here
PUBLICATION LIST
-
2027 Forthcoming. Botanical Folklore. Penguin Random House
2026 In Press. Social history of Coca & Cocaine Book. Kew Publishers.
2023 PhD Thesis. RBG Kew | Royal Holloway
2019 Just The Tonic. Kew Publishing
2019 The Herbal Remedy Handbook. Kyle Books
2017 The Handmade Apothecary. Kyle Books
Publications as contributor/Interviewee:
2027 Forthcoming, Quinological queries: The rise of European quinine science in the nineteenth century. How Plants Became Natural Remedies. University of Pittsburgh Press .
2026 Papa and Kuka: A biocultural exploration of two Andean crops Plant Humanities. Bloomsbury.
2025 Plants as Resistance (Chapter, with Kapwani Kiwanga & Miranda Lowe). The Shape of a Circle in the Mind of a Fish. Hatje Cantze.
2022 Bitter barks: legacies and futures of the famous fever tree (Chapter, with Nataly Allasi Canales). This Book Is A Plant. Wellcome/Profile
2020 Foreward. The Heritage Herbal, Sonya Patel-Ellis, British Library.
2019 Elder Tree (Interview). Sylvan Cities , Helen Babbs, Atlantic Books.
2018 Melissa officinalis (Chapter). Collins Botanical Bible, Sonya Patel-Ellis, Harper Collins.
2018 Botanical Medicine at RBG Kew (Chapter). Agenda 2019: Tropicais Plantas Medicinais. Fernanda Botelho, Dinalivro.
-
2025 A global pharmacopoeia: George Barber and The pharmaceutical or medico-botanical map of the world (1869). Pharmaceutical Historian. 55 (4), 118-128.
2025 Legal use of potentially poisonous Plants: The case of British Herbalism. Journal of Economic Botany. 79 (1), 108-117
2022 Madagascar’s extraordinary biodiversity: Threats and opportunities. Science.
2022 Madagascar’s extraordinary biodiversity: Evolution, distribution, and use. Science
More on Google Scholar Profile
-
RADIO
2021 Food Programme: The Joy of Heat BBC Radio 4
2020 How did humans discover medicine? BBC CrowdScience
PODCASTS
2026 BBC Gardener’s World Podcast
2020 Kew Gardens Unearthed Podcast Curious cures
2020 Gastropodcast - Move over gin, we’ve got tonic fever
2019 Just the tonic - Foodie Pharmacology
2019 Foraging for medicine- Plant Based Podcast
2018 Handmade Apothecary - Eat Weeds
-
FILM
2026 Hamnet
2019 Maleficent II
2018 The Favourite
More about consultancy work
TV
2023/2019 Foraging for medicine Countryfile
2019 ‘Invitation au Voyage: Londres, Londres, la bataille du Gin’ Arte
-
SELECTED PRESS
2022 Walker, K. & Canales, N. Bitter Barks: legacies and futures of the famous fever tree. Resurgence and Ecologist.
2020 Walker, K., Quave, C., & Canales, N. No, Cinchona bark is not a cure for coronavirus. The Conversation.
Other press articles Here
BLOGS
2024 Quinine gingerbread: A seasonal tonic. Herbal History Research Network.
2023 Trading Trees: Trading Trees: Cinchona and Nineteenth-Century ‘Quinology’Kent University
2020-2022 Please check out my series of interviews with ethnobotanists at the Society for Economic Botany Student Blog
2019 Elder Power Kew Science Blog.
2019Tropical medicinal plant research - economic botany collection, Kew
2018The fever tree: help us transcribe a bit of history Kew Science Blog.