Cyclophyllum barbatum

Cyclophyllum barbatum
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Rubiaceae
Genus:	Cyclophyllum
Species:	C. barbatum
Binomial name
Cyclophyllum barbatum (G.Forst.) N.Hallé & J.Florence (1986 publ. 1987)
Synonyms
Canthium barbatum (G.Forst.) Seem. (1866) Canthium korrorense (Valeton) Kaneh. (1932) Canthium rupestre Hosok. (1942) Chiococca barbata G.Forst. (1786) Chiococca odorata Hook. & Arn. (1832) Cyclophyllum marquesense (F.Br.) Govaerts (2008) Cyclophyllum saviense Guillaumin (1937) Plectronia barbata (G.Forst.) K.Schum. (1891) Plectronia korrorensis Valeton (1930) Plectronia marquesensis F.Br. (1935) Plectronia marquesensis var. acuta F.Br. (1935) Plectronia raiateensis J.W.Moore (1933) Plectronia rapae L.Riley (1926) Plectronia temehaniensis J.W.Moore (1933)

Cyclophyllum barbatum is a species of flowering plant in the family Rubiaceae. It is a shrub or tree native to the South Pacific, including the Caroline Islands, Cook Islands, Fiji, Marquesas Islands, Pitcairn Islands, Samoan Islands, Society Islands, Solomon Islands, Tonga, Tuamotu Archipelago, Tubuai Islands, and Vanuatu. It has been introduced to Hawaii.

Habitat

On Rarotonga in the Cook Islands it is common in Homalium forest on lower mountain slopes, dominated by the endemic tree Homalium acuminatum.

In the Marquesas Islands it is a common understory shrub or tree in mid-elevation forests from 300 to 800 meters elevation and with an average annual rainfall of 2,000 to 3,000 mm.