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Pleiostachya pruinosa

Platanillo

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General Information

COMMON NAMES: Platanillo

GLOBAL DISTRIBUTION: NATIVE Honduras - Panama

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

SIGNIFICANCE LIST: Ornamental leaves and flowers

KEY FEATURES: Erect herb to 2m. LEAVES basal, ~8, oblong to lance-like, to 50x15cm, dark green above, purple beneath, veins in grooves; stalks ~50cm. FLOWERS on stem to 50cm, cluster to 10cm, laterally compressed overlapping bracts; flowers paired, small, white and violet, petals 3.

Enlarged Image of 'Pleiostachya pruinosa'

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

Pleiostachya pruinosa (Regel)
SYNONYMS: Ischnosiphon pruinosus

TAXONOMY: PLANTAE; ANTHOPHYTA (=Angiospermae); LILIOPSIDA (=Monocotyledones); ZINGIBERIDAE; Zingiberales; MARANTACEAE

Vouchers & References

Vouchers:
Rarotonga: specimen, Totokoitu at foot of hills, 2002, B.Sykes, ID B.Sykes as Pleiostachya pruinosa.

References:
p.271 Neal - In Gardens of Hawaii
p.886 Hortus 3rd
p.909 Royal Hort. Soc. Index of Garden Plants

Data Update History (information):
zB03a, zD03a

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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