Small-flowered Phyllostegia / Center For Plant Conservation
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Plant Profile

Small-flowered Phyllostegia (Phyllostegia parviflora var. lydgatei)

Phyllostegia is a near endemic Hawaiian genus in the mint family, Lamiaceae. There is one species in Tahiti, (Phyllostegia tahitensis), one in Tonga (P. tongaensis), and 32 species endemic to the Hawaiian Islands. Phyllostegia are among the over 60 species of Hawaiian scentless mints, found nowhere else on the planet! Photo Credit: David Eickhoff © 2005
  • Global Rank: T1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Lamiaceae
  • State: HI
  • Nature Serve ID: 137374
  • Lifeform: Forb/herb
  • Date Inducted in National Collection:

This hairy herb is a nonaromatic member of the mint family. It produces inflorescences of white flowers along its branches. Today, the species is now thought to be extinct in the wild.

Where is Small-flowered Phyllostegia (Phyllostegia parviflora var. lydgatei) located in the wild?


Preferred habitat conditions consist of disturbed mesic areas that provide loose soil, like gulch slopes.


P. parviflora var. lydgatei is endemic to the Waianae Mountains of Oahu, distinguished from three subpopulations in 1999.

States & Provinces:

Small-flowered Phyllostegia can be found in Hawaii

Which CPC Partners conserve Small-flowered Phyllostegia (Phyllostegia parviflora var. lydgatei)?

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
  • 09/01/2017

Ecological threats include feral pigs and introduced plant species.

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Taxon Phyllostegia parviflora var. lydgatei
Authority (Sherff) W.L. Wagner
Family Lamiaceae
CPC Number 44631
ITIS 833962
Duration Perennial
Common Names smallflower phyllostegia
Associated Scientific Names Phyllostegia mollis var. lydgatei | Phyllostegia parviflora var. lydgatei | Phyllostegia lydgatei | Phyllostegia waianaeensis
Distribution P. parviflora var. lydgatei is endemic to the Waianae Mountains of Oahu, distinguished from three subpopulations in 1999.
State Rank
State State Rank
Hawaii S1
Ecological Relationships


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