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Chamaesyce rockii
Chamaesyce rockii (Forbes) Croizat & O. Deg.
Koolau Range Sandmat
Euphorbiaceae (Spurge Family)
Synonym(s): Euphorbia rockii
USDA Symbol: CHRO2
USDA Native Status: HI (N)
Chamaesyce rockii is endemic to the island of Oahu, Hawaii. It is known from less than 10 subpopulations, totaling 200-300 individuals. The species and its habitat are threatened by alien plants and feral pigs. The species is listed under the US Endangered Species Act. (Bruegmann, M.M. & Caraway, V. 2003. Chamaesyce rockii. In: International Union for the Conservation of Nature, 2011. IUCN Red List of Threatened Species. Version 2011.1.)
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Plant Characteristics
Duration: PerennialHabit: Tree
Leaf Pubescence: Glabrous
Leaf Margin: Entire
Breeding System: Flowers Unisexual
Inflorescence: Cyme
Fruit Type: Capsule
Size Notes: Up to about 12 feet tall in optimum conditions, usually much shorter.
Fruit: Red capsules, seeds brown to grayish-brown.
Bloom Information
Bloom Color: Red , Yellow , GreenBloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec
Distribution
USA: HINative Distribution: The island of Oahu, Hawaii, endemic.
Native Habitat: Rainforest and shrublands, primarily along cloudswept ridges up to 830 m.
U.S. Fish & Wildlife Service Threatened & Endangered Status
USFWS Species Profile: Q3GOStatus:National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FACU |
Additional resources
USDA: Find Chamaesyce rockii in USDA PlantsFNA: Find Chamaesyce rockii in the Flora of North America (if available)
Google: Search Google for Chamaesyce rockii
Metadata
Record Modified: 2022-12-09Research By: TWC Staff