Weed Identification

Australia > > Chinese Celtis

Chinese Celtis

Celtis sinensis

Family: Ulmaceae.

Form: Tree

Origin: Native of China, Korea and Japan.

Flowers/Seedhead: Inflorescence of few flowers, upper flowers bisexual, lower flowers male with stamens falling before sepals; sepals 4, purplish on outer surface, about 2.5 mm long and 1 mm wide, wider than enclosed petals; petals 4, cream and as long as sepals; stamens 4. Flowers late winter to early spring.

Description: Deciduous shrub or tree to 15 (rarely to 25) m high. Bark smooth, silvery grey. Leaves with base attaching to leaf stalk asymmetrically; leaves emerging at flowering initially hairy, particularly below, but rapidly becoming almost hairless. Fruit globe-shaped, succulent, 68 mm wide, on stalk 0.41 cm long.

Distinguishing features: Distinguished by mature leaves 410 cm long, 24.5 cm wide, ovate, dark green, mostly hairless and shiny above, lower surface with hairs on veins and paler than upper surface, margins toothed in the upper half only, mature fruit orange-brown.

Dispersal: Seeds spread by birds, fruit bats and water.


Mature fruit & ornate leaves with a paler
undersurface
photo R. Cobon

Notes: Naturalised in damp areas, particularly along banks of waterways, in south-east Queensland and to a lesser extent in north-east New South Wales. An important environmental weed in these areas. Commonly found on clay soils. Seeds rarely survive for more than two years.

References:

    Supplement to Flora of NSW.G. Harden and L. Murray (eds), Vol. 1, 2000, pages 3839.


Flowers & young leaves
photo R. Cobon

Seedlings
photo R. Cobon

Mature trees, Brisbane, Feb
photo R. Cobon

This weed has been included in the WEEDeck field guide as card T21

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

 

Australia > > Chinese Celtis

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