Kauaʻi Conservation Atlas

Kauaʻi record · kba_plant_nototrichium_sandwicense

Hawaiʻi Rockwort

Nototrichium sandwicense

Open this record in the interactive Atlas
Hawaiʻi Rockwort (Nototrichium sandwicense) · whole-organism ecological reconstruction with diagnostic structures.
Hawaiʻi Rockwort (Nototrichium sandwicense) · whole-organism ecological reconstruction with diagnostic structures. · Kauaʻi Conservation Atlas · AI-generated reconstruction · Kauaʻi Conservation Atlas community media · Primary ecological plate v1.5.3; visual and safe-area review passed · Image source

About Hawaiʻi Rockwort

Hawaiʻi Rockwort (Nototrichium sandwicense) is endemic to the Hawaiian Islands and recorded on Kauaʻi. Shrub or small tree 1–4 m tall, rarely to 7 m, with one or several trunks covered in closely appressed silky gray hairs.

Kauaʻi evidence

Taxonomy, nativity, island-level occurrence, growth form, names, and source conservation assessments are documented in the 2026 census audit. Broader ecology and conservation recommendations still require claim-level source review. Generated imagery is not occurrence evidence.

Names and classification

Scientific name
Nototrichium sandwicense
Common names
Hawaiʻi Rockwort · kului
Hawaiian names
Kuluʻī
Other names
Hawaiʻi Rockwort · Nototrichium sandwicense · Achyranthes sandwicensis · Nototrichium fulvum · Nototrichium sandwicense var. decipiens · Nototrichium sandwicense var. dubium · Nototrichium sandwicense var. forbesii · Nototrichium sandwicense var. helleri · Nototrichium sandwicense var. kavaiensis · Nototrichium sandwicense var. kolekolense · Nototrichium sandwicense var. lanaiense · Nototrichium sandwicense var. lanceolatum · Nototrichium sandwicense var. latifolium · Nototrichium sandwicense var. leptopodum · Nototrichium sandwicense var. longespicatum · Nototrichium sandwicense var. macrophyllum · Nototrichium sandwicense var. mauiense · Nototrichium sandwicense var. niihauense · Nototrichium sandwicense var. olokeleanum · Nototrichium sandwicense var. pulchelloides · Nototrichium sandwicense var. pulchellum · Nototrichium sandwicense var. subcordatum · Nototrichium sandwicense var. syrignifolium · Nototrichium viride · Nototrichium viride var. kalaupapae · Nototrichium viride var. oblongofolium · Nototrichium viride var. subtruncatum · Psilotrichum sandwicense · Psilotrichum sandwicense var. kavaiensis · Psilotrichum sandwicense var. longespicatum · Psilotrichum viride · Ptilotus sandwicensis · Ptilotus sandwicensis var. kavaiensis · Kuluʻī
Family
Amaranthaceae
Order
Caryophyllales
Record type
Species or taxonomic group

Kauaʻi occurrence and status

Kauaʻi occurrence
Recorded on Kauaʻi
Origin
Endemic
Conservation status
Smithsonian checklist assessment: Apparently Secure; U.S. source status: No Status
Evidence date
2026-10-05
Evidence limits
Island-level occurrence is retained; finer locality is intentionally withheld. Growth-form tags describe the taxon across its range, not a measured Kauaʻi population. Checklist source statuses are not a new legal-status determination.

Habitat and ecology

Habitats
Dry lowland shrubland · Cliffs · Rocky slopes
Food and resource needs
Light, water, nutrients, and suitable soil or substrate
Reproduction
Viable propagules and suitable establishment conditions
Shelter
Suitable soil, substrate, and vegetation structure
Growth form
Tree; Shrub

Threats and conservation

Threats
Fire, invasive grasses, browsing, development
Conservation actions
Dryland restoration and fire reduction
Monitoring
Dryland restoration and fire reduction
Data gaps
Additional ecological and conservation citations are recommended

Process and seasonal context

Seasonal timing
Not assessed
Seasonal description
Hawaiʻi Rockwort (Nototrichium sandwicense) is endemic to the Hawaiian Islands and recorded on Kauaʻi. Shrub or small tree 1–4 m tall, rarely to 7 m, with one or several trunks covered in closely appressed silky gray hairs.

Sources and further reading

Explore field guides

Suggest changes to this record