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Trema cannabinum

Trema

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General Information

COMMON NAMES: Trema

GLOBAL DISTRIBUTION: NATIVE India - s.China - ne.Aust - Samoa - Cooks - Australs

COOK ISLANDS STATUS: Native; S.Group only (MG only - very rare0; Land, Valleys

SIGNIFICANCE LIST: ; Nationally endangered (seriously)

KEY FEATURES: Tree to 10m with widespreading branches. Wood hard. LEAVES alternate, to 14x6cm, heart-shaped, tapering to a long sharp tip; edge many small teeth; glossy dark green above; stalk 1cm. FLOWERS small, in stalked axial clusters; unisexed flowers. FRUIT compressed, 4mm long, ripen black.

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea: -
RR	MG	AT	MK	MT	AK	PL	TK	MN
-	+	-	-	-	-	-		-

Northern Group: -
TN	MH	RK	PK	NS	SW
-	-	-	-	-	-

Key to Symbols

blank	no data
-	absent	L	localised
X	extinct 'naturally'	W	widespread
XQi	quarantine intercepted	R	recent
XQe	eradicated	?	query preceding category
P	present	T?	taxonomic query
S	seasonal	nn	present, said to have no name
O	occasional	?1	present, name not investigated
++++	very common	?2	presence not verified, no name recorded
+++	common	N/A	absent, name not expected
++	uncommon
+	rare
Cook Islands islands: RR =Rarotonga, MG = Mangaia, AT =‘Ātiu, MK=Ma‘uke, MT=Miti‘āro, AK=Aitutaki, PL=Palmerston, PN=Penrhyn, MN=Manuae, TK=Takūtea, TN=Tongareva (TS=Tongaleva Spoken, TW=Tongareva Written, they say "el" but write "r"), MH=Manihiki, RK=Rakahanga, PK=Pukapuka, NS=Nassau, SW=Suwarrow. After a Polynesian name: ^=orthography query. Countries and other: FIJ=Fiji, WT=Wallis & Futuna, SAM=Samoa, TON=Tonga, NIU=Niue, CK=Cook Islands, CKM=Cook Islands Māori, FP=French Polynesia, AUS=Australs, SOC=Societies, TAH=Tahiti, TUA=Tuamotus, MQS=Marquesas, MNG=Mangareva, PIT=Pitcain group, EAS=Easter Island, HAW=Hawai‘i, NZ=New Zealand, NZM=New Zealand Māori

Scientific Taxonomy

Trema cannabinum Lour.
SYNONYMS: Trema orientalis var. viridis [genus needs revision, see Fiji Flora]

TAXONOMY: PLANTAE; ANTHOPHYTA (=Angiospermae); MAGNOLIOPSIDA (=Dicotyledones); HAMAMELIDAE; Urticales; ULMACEAE

More Information

SIGNIFICANCE NOTES -
BIODIVERSITY: Nationally endangered (seriously). Comment: Known from one collection in a valley on Rangimotia on Mangaia.

GENERAL NOTE: Known within Cooks from a extreme inland valley forest remnant on Mangaia, east of Rangimotia at c.450ft.

Vouchers & References

Vouchers:
Mangaia: specimen near top of Rangimotia in a gully, B.Sykes 1974, BotDivChch 287299 as Trema orientalis (L.) Blume, to Trema cannabrinum Lour. in 1979.

References:
p.2/159 A.C.Smith - Flora Vitiensis Nova

Data Update History (information):
zB02, zD02

Web Resources

Citation Information

McCormack, Gerald (2007) Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org.
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