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Campanulaceae family
Oahu Rollandia Cyanea humboldtiana
Native
Oahu Rollandia is a perennial shrub native to Hawaii.
More about this plant
Cyanea humboldtiana is a rare species of flowering plant in the bellflower family known by the common name Oʻahu rollandia. It is native to Oʻahu, where it is known only from the Koʻolau Mountains. It is a federally listed endangered species. Like other Cyanea it is known as haha in Hawaiian. Wikipedia →
Growing & care
USDA PLANTS · TRY Size & form
Sources · Size & form
USDA PLANTS — Lifespan
- Lifespan
- Perennial
In the garden
Shrub layer — Sits in the shrub of a layered food forest or polyculture.Open guide →
derived roles
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a
guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.
Related plants
More Cyanea →
Native
'aku
Cyanea angustifolia
●○○○○ 
Native
'aku 'aku
Cyanea tritomantha
●○○○○ Native
Bluntlobe Cyanea
Cyanea obtusa
●○○○○ 
Native
Degener's Cyanea
Cyanea floribunda
●○○○○ Native
Eleele Cyanea
Cyanea eleeleensis
●○○○○ 
Native
Ellipticleaf Cyanea
Cyanea elliptica
●○○○○ Same genus / family, ranked by ecological value — from the PlantKey catalog
Sources for this entry (10) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — USDA PLANTS (DwCA, Zenodo 17903503) — native status
[06] Wetland indicator — USACE National Wetland Plant List (2022)
[07] Description — Wikipedia (CC BY-SA)
[08] Ecological value — GloBI
[09] Federal ESA status — USFWS ECOS (U.S. Fish & Wildlife Service)
[10] County range — GBIF Open Data — open-licensed occurrences (CC0/CC-BY) → county
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Cite this page Open data, please attribute
PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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