Kanaloa kahoolawensis is a rare, unarmed, low-spreading shrub endemic to Hawaii and the only species in its genus; only two plants have ever been found in the wild, and only one remains on a sea stack off Kahoʻolawe. It is essentially not cultivated, so care advice is limited to general horticultural expectations for a wet-tropical legume shrub.
Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Full sun
Water
Water regularly during the growing season and let the top of the soil dry slightly between waterings.
Soil
Well-drained, fertile mix; the native soil is basaltic oxisol.
Temperature
18–30 °C; protect below 10 °C
How easy
Hard
Native range
Hawaiian Is.
Climate
wet tropical
About
Kanaloa kahoolawensis, the Ka palupalu o Kanaloa or kohe malama malama o kanaloa, is a species of flowering plant in the legume family, Fabaceae and is endemic to Hawaii. Kanaloa is a monotypic genus with the single species Kanaloa kahoolawensis.
Where it grows
Only two plants have ever been found in the wild. The single remaining plant grows on the cliffs of Aleʻale Puʻuloae on a sea stack off the coast of the Kahoʻolawe. Soils are oxisols derived from basaltic lavas at an elevation of 45–60 m. It is possible that the range of this species previously included other Hawaiian islands; fossilized pollen from plants likely to be in the same genus has been found in core samples taken from sinkholes in Oʻahu's ʻEwa Plain, Maui, and Kauaʻi's Makauwahi Cave. Whether the pollen grains in the samples belong to K. kahoolawensis cannot be determined. As Kahoʻolawe was united with Maui and other islands prehistorically (see also Maui Nui), it is entirely possible that the pollen belongs to K. kahoolawensis. On the other hand, it may also be that the Oʻahu population remains represent another, extinct, species - possibly an ancestor of K. kahoolawensis -, judging from the biogeography of Hawaiian land plants.
Text excerpted from the Wikipedia article Kanaloa kahoolawensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.