Australian Cultivar Registration Authority

Description:
Photographer:

Description: Citrus australasica 'Durhams Emerald', Taken: 16 January 2019, [HERBARIUM SPECIMEN] ACRA NO: Acc 1156 Copyright : Centre for Australian National Biodiversity Research (CANBR) holds copyright
Photographer: Palmer, R.

Citrus australasica 'Durhams Emerald'

File Number

1156

ACRA Field Book Number

1160

Registration Date

01/02/2007

Application Received

09/03/2006

Family

Rutaceae

Cultivar Name

Citrus australasica 'Durhams Emerald'

Origin

The cultivar originated in the Northern rivers district and was introduced into cultivation in 1994.

Characteristics

A moderately dense medium shrub 2 metres high by 1.7 metres wide with a moderately open appearance. Axillary spines solitary, straight to 25mm long. Leaves are simple, obovate to elliptic, glabrous. Flowers white (with pink buds) approximately 10-15mm in diameter, Aug-Sept. Fruit a cylindrical berry, 4-8 cms long, 15-25mm in diameter, with firm black skin and emerald green pulp. Diagnosis: C. australasica ‘Durhams Emerald’ is a heavy bearer during Summer to late Autumn, with continual light cropping all year around. Vesicles easy to extract.

Cultivation

This cultivar has been test grafted on a number of rootstocks and shows no signs of incompatibilty. It also shows resistance most citrus pests and diseases. There is no sunburn or insect damage on leaf.

Publication

RHS Cultivar Registration Bulletin 2 (2022), p31;

Colour Coding

RHS Colour Chart 1995Fruit – skin: Black Group 202AVecicles: Green Group 138A

Propagation

Cuttings from semi-firm new growth

Applicant Name

Judy Viola

Uses

Suitable shrub for mixed planting or tub. Edible fruit

Availability

Specialist native plant nurseries

ANBG Accession Numbers

-

NSL ID

-