Australian Cultivar Registration Authority

Description:
Photographer:

Anigozanthos 'Baby Roo'

File Number

471

ACRA Field Book Number

-

Registration Date

08/05/2000

Application Received

01/01/1990

Family

Haemodoraceae

Cultivar Name

Anigozanthos 'Baby Roo'

Origin

Anigozanthos 'Baby Roo' is the result of a manipulated cross between a tetraploid clone of A. gabrielae (female) and an induced tetraploid form of Anigozanthos 'Bush Ranger' (male). The normal diploid form of Anigozanthos 'Bush Ranger' is sterile, the tetraploid form is fertile. This cross was done by Dr R J Greisbach of the United States Department of Agriculture in Beltsville, Maryland. Registration applied for by Dr R J Greisbach, Maryland, USA., January 1990.

Characteristics

This cultivar is dwarf, growing only to 0.2m tall and 0.15m across with leaves up to 150mm long. The flowers are bicoloured with a bright red ovary and an emerald green perianth. The intensity of colour is temperature dependant, cooler temperatures result in deeper colour. The flowers are tubular and up to 60mm long. This cultivar flowers continually with no dormant period. DIAGNOSIS: A. 'Bush Ranger' 350mm h, lvs 320 mm, fls 80 mm long, green/ red A 'Baby Roo' 200 mm h, lvs 150 mm fls 60 mm long, green/ red A. gabrielae 100 mm h, lvs 80 mm fls 50mm, green/ red Note: Reference specimen not received due to quarantine restrictions.

Cultivation

Anigozanthos 'Baby Roo' is unique in that it does not go dormant and will flower at temperatures above 35°C. Its heat tolerance and dwarf habit makes it ideally suited as a potted plant. Anigozanthos 'Baby Roo' was commercially released by Twyford, Inc. in 1991 as a tissue culture produced plug.

Publication

Anigozanthos 'Baby Roo' is an introduction of thejoint U.S. Dept. of Agriculture (USDA) and Society of American Florists(SAF) New Crops Program. Under this international program, this cultivarhas received wide publicity. The colchicine-induced tetraploidy procedurehas been published in the journal "HortScience" (Greisbach, R J 1990. AFertile Tetraploid Anigozanthos hybrid produced by In Vitro Colchicinetreatment. (HortScience 25:802-803).

Colour Coding

RHS Colour Code 1966Red Group 53AYellow-Green Group 146A

Propagation

Division or tissue culture

Applicant Name

Dr R J Greisbach

Uses

As part of a mass planting or mixed in a shrubbery, or as a spectacular feature plant. Attracts nectar feeding birds.

Availability

Unknown

ANBG Accession Numbers

ACC471

NSL ID

-