
Euphorbia arnottiana
`akoko
Endemic to HawaiʻiIUCN: critically endangeredcritically imperiled
Photo: (c) Mike Ross, some rights reserved (CC BY-NC), uploaded by Mike Ross (iNaturalist)
27
Bishop specimens
0
Type specimens
1910
First collected
2025
Last collected
2025
Last seen alive in Hawaiʻi
In the Library
Bishop Museum publications whose pages name Euphorbia arnottiana, most mentions first.
2025
Imada, C.T., Faccenda, K., Thomas, M.K., Gallaher, T., Oppenhemier, H., Kennedy, B. & Kalei, A. (eds.) Hawaiian native & naturalized vascular plants checklist (2025 update). 780 pp. [published online 6 November 2025]· Contribution to the Hawaii Biological Survey · 2 pages
Two centuries of collecting
1910s2020s
The oldest Bishop specimen was collected in 1910 by Forbes, C.N. (Oʻahu).
Alive today
2 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.


