Cook Islands Biodiversity Database

Species Page

Back to: «« Search Page | « Results Page

Add to My List

Humata banksii

Polynesian Humata Fern

Multimedia & Additional Resources

Type	Description	Download
Image:	Fronds and detail of sori	99KB

General Information

COMMON NAMES: Polynesian Humata Fern

COOK ISLANDS STATUS: Native; S.Group - common (RR, MG - only); N.Group - absent; Land, lowlands - mountains (++++); on trees

KEY FEATURES: Small, epiphytic fern, with fronds to 15cm. LEAFLETS ladderlike, without stalks; most undivided, edges w/wo low rounded lobes; basal leaflets w large lobes. SORI covered, near edge, along entire leaflet.

Cook Islands Distribution

View Distribution Map

Southern Group: Present Makatea: Present
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

Humata banksii Alston
SYNONYMS: Davallia pectinata [TC]; Humata pectinata [GW]

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

More Information

IDENTIFICATION: Small, epiphytic fern, to 15cm. ROOT slender, with fronds well-spaced. FRONDS flat and triangular, to 15cm long; LEAFLETS ladderlike without a stalk; undivided, except basal ones which have lobes. SORI on all leaflets of fertile frond; underside in row along each edge; each covered by kidney-shaped indusium.

Vouchers & References

Vouchers:
None Recorded.

References:
None recorded.

Data Update History (information):
zTX, zB02, zM04b, zD02, zupD04b

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.
Please refer to our use policy.

Biodiversity Database: More Options | Help

My List: View List | Edit List | Clear List