Maricao / Center For Plant Conservation
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Plant Profile

Maricao (Calyptranthes peduncularis)

A full view of this small tree. Photo Credit: Meghan Fellows
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Myrtaceae
  • State: PR
  • Nature Serve ID: 153290
  • Lifeform: Tree, Shrub
  • Date Inducted in National Collection: 02/09/1992

This species is a shrub that grows from 1.5 to 2 meters tall. There is nearly no information in the literature about this species, other than the fact that it grows on serpentine barrens in Puerto Rico at altitudes of 300 to 400 meters. (New York Botanical Garden 2002)

Where is Maricao (Calyptranthes peduncularis) located in the wild?


Serpentine barrens at elevations of 300 to 400 meters. (New York Botanical Garden 2002)


Puerto Rico. Susua. (New York Botanical Garden 2002)

States & Provinces:

Maricao can be found in Puerto Rico

Which CPC Partners conserve Maricao (Calyptranthes peduncularis)?

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

Nature Serve Biotics
  • 05/02/2017

Endemic to Puerto Rico. Known only from the wet montane regions of Monte del Estado, Maricao, in forest on serpentine soil. Characterized by Woodbury (1975) as endangered with limited distribution, and by Figueroa Colon (1996) as rare and endangered in the most recent survey of the plant's status.

  • 01/01/2010

Road widening General lack of knowledge about the species

  • 01/01/2010

200-300 left - scattered in edges of thickets Puerto Rico, Susua Forest and surrounding areas; 200-300 plants (Unknown source)

  • 01/01/2010

None known.

  • 01/01/2010

None known.

  • 01/01/2010

Any information on this species would be helpful--its general biology and ecology, habitat requirements, a full account of its locations and population health, etc.


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Taxon Calyptranthes peduncularis
Authority Alain
Family Myrtaceae
CPC Number 697
ITIS 27181
Duration Perennial
Common Names Maricao | Serpentine lidflower | Maricao lidflower
Associated Scientific Names Calyptranthes dumetorum | Calyptranthes peduncularis
Distribution Puerto Rico. Susua. (New York Botanical Garden 2002)
State Rank
State State Rank
Puerto Rico S1
Ecological Relationships


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