Kauaʻi record · kba_plant_ardisia_elliptica
Shoebutton ardisia
Ardisia elliptica
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About Shoebutton ardisia
Shoebutton ardisia (Ardisia elliptica) is recorded as an established shrub on Kauaʻi. A hairless branched shrub reaching about four metres. Alternate leaves widen toward their tips and have smooth edges. Small pale lavender flowers occur in stalked clusters. Its round fruits begin red but mature black, unlike the persistently red ripe fruits of Ardisia crenata. Shade-tolerant shrubs can form dense understory stands and seedling carpets that inhibit recruitment of other plants. The IUCN species account supports this competitive pathway; its reported impacts do not quantify a Kauai effect.
Kauaʻi evidence
Established island occurrence follows the Bishop Museum checklist. Diagnostic morphology follows Smithsonian Hawaiian Flora; accepted identity follows Kew WCVP. Generated imagery is not occurrence evidence. Proposed monitoring endpoints are not reported observations, measured effects or causal findings.
Names and classification
- Scientific name
- Ardisia elliptica
- Common names
- shoebutton ardisia · ink berry · duck’s eyes
- Other names
- Ardisia elliptica · shoebutton ardisia · ink berry · duck’s eyes · Ardisia kotoensis · Ardisia littoralis · Ardisia sorsogonensis · Ardisia squamulosa · Bladhia elliptica · Bladhia kotoensis · Bladhia squamulosa · Climacandra littoralis · Icacorea humilis · Icacorea solanacea · Icacorea zeylanica · Tinus squamulosa · Willughbeia multilocularis
- Record type
- Species
Kauaʻi occurrence and status
- Kauaʻi occurrence
- Recorded on Kauaʻi
- Origin
- Introduced
- Conservation status
- Not yet assessed
- Evidence date
- 2026-10-07
- Evidence limits
- Current extent and island effect sizes are unassessed. Public occurrence remains island-level only.
Habitat and ecology
- Habitats
- Moist forest understory
- Food and resource needs
- Not yet assessed
- Reproduction
- Local pollinators, flowering schedules, seedling establishment and recruitment rates are not independently assessed.
- Shelter
- Not yet assessed
- Growth form
- Shrub or subshrub
Threats and conservation
- Monitoring
- Understory light and native seedling recruitment; Shrub and seedling density; Occupied area and native vegetation cover. Proposed monitoring endpoints are not reported observations, measured effects or causal findings.
- Data gaps
- Current island population extent and trend · Quantified local environmental effects
Process and seasonal context
- Seasonal timing
- Not yet assessed
- Seasonal description
- Shoebutton ardisia (Ardisia elliptica) is recorded as an established shrub on Kauaʻi. A hairless branched shrub reaching about four metres. Alternate leaves widen toward their tips and have smooth edges. Small pale lavender flowers occur in stalked clusters. Its round fruits begin red but mature black, unlike the persistently red ripe fruits of Ardisia crenata. Shade-tolerant shrubs can form dense understory stands and seedling carpets that inhibit recruitment of other plants. The IUCN species account supports this competitive pathway; its reported impacts do not quantify a Kauai effect.