Kauaʻi Conservation Atlas

Kauaʻi record · kba_plant_widdringtonia_schwarzii

Willowmore Cedar

Widdringtonia schwarzii

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Willowmore Cedar (Widdringtonia schwarzii) · whole-organism ecological reconstruction with diagnostic structures.
Willowmore Cedar (Widdringtonia schwarzii) · 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 Willowmore Cedar

Willowmore Cedar (Widdringtonia schwarzii) is a post-contact introduced tree documented on Kauaʻi through historical forestry planting records. The reviewed records do not establish present survival. Endemic to the Baviaanskloof and Kouga Mountains in South Africa’s Eastern Cape, in rocky ravines and steep cliff habitats. A government forestry ledger records historical planting on Kauaʻi; current survival, naturalization, abundance, reproduction and ecological effects remain unconfirmed.

Kauaʻi evidence

Taxonomic identity, tree form, diagnostic morphology and island occurrence use the linked reviewed sources. Historical planting, cultivation, naturalization and invasive status are separate. Generated imagery is not occurrence evidence.

Names and classification

Scientific name
Widdringtonia schwarzii
Common names
Willowmore Cedar · Baviaanskloof cedar
Other names
Widdringtonia schwarzii · Willowmore cedar · Baviaanskloof cedar
Record type
Species

Kauaʻi occurrence and status

Kauaʻi occurrence
Recorded on Kauaʻi
Origin
Introduced
Conservation status
Not yet assessed
Evidence date
2026-10-06
Evidence limits
Current survival on Kauaʻi, numbers, occupied habitat, reproduction and ecological effects are unconfirmed; historical planting does not establish naturalization.

Habitat and ecology

Habitats
Not yet assessed
Food and resource needs
Not yet assessed
Reproduction
Male and female cones occur on the same plant. Woody seed cones can remain attached for nearly three years before broadly winged seeds are released. Native-range seed propagation is documented; Kauaʻi cone maturation, seed viability and recruitment are unknown.
Shelter
Not yet assessed
Growth form
Evergreen coniferous tree

Threats and conservation

Monitoring
Not yet assessed
Data gaps
Current population extent and trajectory · Additional species-specific ecological and conservation sources

Process and seasonal context

Seasonal timing
Not yet assessed
Seasonal description
Willowmore Cedar (Widdringtonia schwarzii) is a post-contact introduced tree documented on Kauaʻi through historical forestry planting records. The reviewed records do not establish present survival. Endemic to the Baviaanskloof and Kouga Mountains in South Africa’s Eastern Cape, in rocky ravines and steep cliff habitats. A government forestry ledger records historical planting on Kauaʻi; current survival, naturalization, abundance, reproduction and ecological effects remain unconfirmed.

Sources and further reading

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