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Acacia auriculiformis

Ākasia

Black Wattle

Multimedia & Additional Resources

Type	Description	Download
Image:	Leaves, flowers and fruit	59KB
Image:	Fruit and leaves	56KB

General Information

COMMON NAMES: Black Wattle, Black Wattle, Earleaf Acacia, Darwin Black Wattle; German Akazien

TRADITIONAL NAMES: Ākasia (RR)

GLOBAL DISTRIBUTION: NATIVE Australia

COOK ISLANDS STATUS: Introduced - Recent, Naturalised; Land, lowlands - mountains (+++)

SIGNIFICANCE LIST: Forestry

KEY FEATURES: A spreading tree to 25m. LEAVES (=phyllodes) narrow-oval crescent-shaped, tapering, ends sharp, 15x3cm. FLOWERS many on short spike; small, buttonlike, yellow. FRUITS 6x2cm, strongly curved (ear-like), outer edge very wavy; ripens brown, splits along outer edge; ±10 seeds. SEEDS flat-oval, black, 5x4mm; with orange thread attached.

Enlarged Image of 'Acacia auriculiformis'

Cook Islands Distribution

View Distribution Map

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

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

Acacia auriculiformis Cunn. ex Benth.
TAXONOMY: PLANTAE; ANTHOPHYTA (=Angiospermae); MAGNOLIOPSIDA (=Dicotyledones); ROSIDAE; Fabales (Legumes); MIMOSACEAE

More Information

SIGNIFICANCE NOTES -
POSITIVE SIGNIFICANCE: Forestry. Comments: Introduced 1985 to Rarotonga, later to Mangaia. Fernland afforestation.

GENERAL NOTE: 1985 (DH. Agric.) on Rarotonga. Afforestation of fernlands.

Vouchers & References

Vouchers:
None Recorded.

References:
p.411 Neal - In Gardens of Hawaii
p.5 Royal Hort. Soc. Index of Garden Plants
p.95 McCormack/Kunzle - Rarotonga's Mountain Tracks and Plants

Data Update History (information):
zTX, zB02, zM03b, zupM04b, 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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