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Pelargonium X hortorum

Geranium

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Image:	Leaves and fs (pink)	77KB

General Information

COMMON NAMES: Geranium, Fish Geranium, Zonal Geranium, House Geranium, Horseshoe Geranium, Bedding Geranium, Zonal Pelargorium

GLOBAL DISTRIBUTION: NATIVE cultivar only, parent species from s.Africa

COOK ISLANDS STATUS: Introduced - Recent, Not naturalised; Land, lowlands, gardens

SIGNIFICANCE LIST: Ornamental for flowers and leaves

KEY FEATURES: Succulent shrub to 1m. LEAVES alternate, simple, round to kidney-like, to 12cmØ, basal lobes; edge lobed, scalloped or with rounded teeth; often zoned or variegated; ~fishy-odour. FLOWER clustered on long stalk; calyx spur united to flower-stalk; 5 petals sub-equal, to 2cm; uniform red, pink, or white - sometimes varicoloured. Many named cultivars.

SIMILAR SPECIES: Rose Geranium (Pelargorium graveolens) leaves deeply dissected in narrow lobes (vs. lobes wide and low).

Enlarged Image of 'Pelargonium X hortorum'

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

Pelargonium X hortorum
SYNONYMS: Pelargorium inquinans X Pelargorium zonale

TAXONOMY: PLANTAE; ANTHOPHYTA (=Angiospermae); MAGNOLIOPSIDA (=Dicotyledones); ROSIDAE; Geraniales; GERANIACEAE

Vouchers & References

Vouchers:
None Recorded.

References:
p.471 Neal - In Gardens of Hawaii
p.832 Hortus 3rd
p.853 Royal Hort. Soc. Index of Garden Plants
p.485 Tropica

Data Update History (information):
zTX, zB02, zM03b, zD02, zupD03b

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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