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Arachniodes aristata

Prickle Fern

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Image:	Frond and details (1)	88KB
Image:	Frond and details (2)	92KB

General Information

COMMON NAMES: Prickle Fern, Prickle Fern

GLOBAL DISTRIBUTION: NATIVE India - Australia - Marquesas

COOK ISLANDS STATUS: Native; S.Group only (Rarotonga & Mangaia only); Land, mountains (+++)

KEY FEATURES: To 80cm. BASE tufted. FROND to 80cm; stalk ~40cm, hairs common near base then sparse; front blade triangular, 40x40cm, 3x divided, leaflets to 15x8mm, glossy, tip with sharp teeth/prickles. SORI small, midway between centre and margin.

Enlarged Image of 'Arachniodes aristata'

Cook Islands Distribution

View Distribution Map

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

Arachniodes aristata (G. Forst.)
SYNONYMS: Aspidium [TC]; Polystichum [GW]

TAXONOMY: PLANTAE; PTERIDOPHYTA (=Pterophyta); Aspidiales; ASPIDACEAE

Vouchers & References

Vouchers:
None Recorded.

References:
p.84 Royal Hort. Soc. Index of Garden Plants
p.39 McCormack/Kunzle - Rarotonga's Mountain Tracks and Plants

Data Update History (information):
zTX, zB02, zM05a

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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