Wavy Cyanea / Center For Plant Conservation
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Plant Profile

Wavy Cyanea (Cyanea undulata)

  • Global Rank: G1 - Critically Imperiled
  • Legal Status: Federally Endangered
  • Family: Campanulaceae
  • State: HI
  • Nature Serve ID: 134700
  • Lifeform: Shrub
  • Date Inducted in National Collection:

The Wavy Cyanea or Leechleaf Cyanea is an unbranched shrub with unique wavy-margined leaves and yellowish flowers. Orange hairs cover the flowers and the undersides of the leaves.

Where is Wavy Cyanea (Cyanea undulata) located in the wild?


This Cyanea species grows along the bank of a tributary.


This shrub is found in the wet forests of the Wahiawa Drainage Basin area in southern Kauai.

States & Provinces:

Wavy Cyanea can be found in Hawaii

Which CPC Partners conserve Wavy Cyanea (Cyanea undulata)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Clarice Mendoza
  • 09/07/2017

Current threats include habitat degradation from feral pigs and introduced invasive species.

Clarice Mendoza
  • 09/07/2017

Less than 6 individuals can be found in this species' native habitat.

Nellie Sugii
  • 01/01/2010

Pigs, rats, collectors, competition from alien plants, and a limited gene pool are all considered as threats to this species' existence.

Nellie Sugii
  • 01/01/2010

Possibly extinct today, there were 3-4 individuals in two isolated populations on private land but this number fluctuates.


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Taxon Cyanea undulata
Authority C.N. Forbes
Family Campanulaceae
CPC Number 9502
ITIS 34754
Duration Perennial
Common Names Leechleaf Cyanea
Associated Scientific Names Cyanea undulata | Delissea forbesii | Delissea lydgatei
Distribution This shrub is found in the wet forests of the Wahiawa Drainage Basin area in southern Kauai.
State Rank
State State Rank
Hawaii S1
Ecological Relationships


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