Showy Isotome

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Description

Common names

Showy Isotome, Australian Harebell, Rock Isotome, Axillary-flowered Isotoma.

Scientific names

Isotoma axillaris, Laurentia axillaris.

Family

Lobeliaceae.

Genus

Isotoma.

Growth height

Up to 0.5m.

Presence in Australia

Noted mainly east of the Olympic Highway.

This specie has been identified in the following Australian states: Qld, NSW, ACT, Vic, WA.

Habitat

Crevices on rocky cliffs, especially granite and sandstone outcrops. Shallow sandy soils of slopes and around rocky waterholes.

Habit

Low bushy perennial herb to 50cm high.

Site preference

Tolerates frost and extended dry periods.

Characteristics

Milky sap can irritate skin and eyes.

Flowering

Bright blue to mauve flowers, Sep-May.

Propagation

From fresh seed; cuttings of firm growth (which root readily); or from division. Germinates in 4-6 weeks.

Regeneration

Regenerates well in gardens.

Ornamental

Excellent attractive ornamental for rockeries and containers. Produces spectacular informal effect. Rejuvenate plants over 2 years by harsh pruning in autumn.