Weed Identification

Australia > > Japanese Honeysuckle

Japanese Honeysuckle

Lonicera japonica

Family: Caprifoliaceae.

Form: Vine

Origin: China, Japan and Taiwan.

Flowers/Seedhead: Flowers: In pairs, fragrant, white, some burgundy outside, turning cream to pale orange. Flowers mostly spring to autumn.

Description: Semi-deciduous scrambling or climbing shrub to 8 m high. Young stems with a covering of short, weak, dense hairs. Leaves opposite with a conspicuous ridge between opposite leaf stalks; ovate to about 7 cm long. Leaves sparsely hairy at first becoming hairless on upper surface with age. Fruit almost globe-shaped, 0.4–1 cm long, shiny black.

Distinguishing features: Distinguished by its climbing stems that are covered with dense, short hairs when young. Flower shape (see picture) and lobed leaves of juvenile growth.

Dispersal: Seeds dispersed by water and birds and locally by spreading stems.


Yellow, red & white flowers

Notes: Frequently cultivated in gardens and occasionally a serious weed of moist conservation areas.

References:

    Flora of NSW. G. Harden (ed), Vol. 3, 1992, page 447. Flora of Victoria. N. Walsh and T. Entwisle (eds), Vol. 4, 1999, pages 646–647.

Web References: Search Australian web sites for further information on this weed.


Juvenile lobed leaves

Fruit & mature leaves
photo J.R. Hosking

This weed has been included in the WEEDeck field guide as card V02.
More information about WEEDeck is available from Sainty & Associates Pty. Ltd.

It has also been included in the 'Jumping the Garden Fence' report (WWF-Australia PDF - 1.19mb) which examines the impact of invasive garden plants on Australian agricultural land and natural ecosystems.

 

Australia > > Japanese Honeysuckle

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