Weed Identification

Australia > > Queen Palm, Cocos Palm

Queen Palm, Cocos Palm

Syagrus romanzoffiana

Alternative Name(s): Arecastrum romanzoffianum.

Family: Arecaceae.

Form: Tree

Origin: Native of South America.

Flowers/Seedhead: Inflorescences initially enclosed by 2 woody pointed bracts. Flowers yellow in groups of 3 where one flower is female and 2 male. Flowers mostly spring.

Description: Large palm to 20 m high, with trunk to 0.6 m wide. Trunk smooth, grey, with widely spaced horizontal leaf scars. Leaves with leaflets to 1 m long and to 3 cm wide, spreading in different planes giving a plume-like appearance. Fruit crowded in hanging masses.

Distinguishing features: Distinguished by large size when mature; leaves to 5 m long, pinnately divided with 150250 leaflets per side, leaflets often in clusters of 27; inflorescence a branched panicle to 2 m long with male and female flowers; fruit broad ovoid, 2.53 cm long, 12 cm wide, yellow to orange when ripe.

Dispersal: Spread by seed that is bat-dispersed.


Mature palm, Rocky Creek Dam, NSW

Notes: Naturalised in native forest and rainforest particularly along river banks and near the coast in north-eastern New South Wales and southeastern Queensland. Garden plant that could be better replaced with an appropriate native palm.

References:

    Key Guide to Australian Palms, Ferns and Allies. L. Cronin, 1989, pages 3839.


Fruit in
hanging
mass

Woody bracts previously
around flowers

Fruit of various ages, Lismore

This weed has been included in the WEEDeck field guide as card T22

More information about WEEDeck is available from Sainty & Associates Pty. Ltd.

 

Australia > > Queen Palm, Cocos Palm

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