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Merremia umbellata

Yellow Wood-Rose

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Image:	Leaf and flowers	38KB

General Information

COMMON NAMES: Yellow Wood-Rose

GLOBAL DISTRIBUTION: NATIVE pantropical

COOK ISLANDS STATUS: Introduced - Recent, Naturalised; Land, lowlands

SIGNIFICANCE LIST: Ornamental flowers

KEY FEATURES: Perennial creeping, sprawling, twinning vine. LF simple, narrow triangular to wide ovate, 12cm long, broad based. FL yellow, corolla 3cm long; FT ovoid, 12cm long, SEEDS dark brown, 6mm long, pubescent.

Cook Islands Distribution

View Distribution Map

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

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

Merremia umbellata (Hall.f.)
SYNONYMS: Merremia umbellata orientalis

TAXONOMY: PLANTAE; ANTHOPHYTA (=Angiospermae); MAGNOLIOPSIDA (=Dicotyledones); ASTERIDAE; Solanales; CONVOLVULACEAE

Vouchers & References

Vouchers:
Rarotonga: fieldspecimen+photo, Avatiu stream seaward of Ara Tapu bridge, G.McCormack, 6/2005, with ID as Merremia umbellata. Aitutaki: fieldspecimen+photo, location unknown, 1980s, G.McCormack, ID Art Whistler as Merremia umbellata.

References:
p.709 Neal - In Gardens of Hawaii
p.5/048 A.C.Smith - Flora Vitiensis Nova

Data Update History (information):
zTX, zB02, zM03a, 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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