Thursday, June 20, 2013

Acacia deanei ssp paucijuga

Acacia deanei subsp paucijuga

Family - Fabaceae (Mimosoideae)

Common name - Deans Wattle

Flowers and seed pods - Inflorenscences in terminal and axillary racemes, 15 to 30 flowered, about 5.5mm diameter, pale yellow to yellow. Pods are straight to curved, slightly to deeply and often irregularly constricted between seeds up to 18cm long and between 5.5 and 11mm wide. Flowering Sept/Oct. Acacia deanei subsp. paucijuga is a showier plant in flower than Acacia deanei subsp. deanei, but less free-flowering.

Leaves - Grey-green bipinnate leaves (central stem from which pairs of leaflets which are themselves divided into tiny leaf segments). One raised yellowish gland at the base of the bipinnate leaflet. Leaves are wider and more robust than Acacia deanei subsp. deanei, making the two subspecies easy to separate in the field.

Habit and habitat - A spreading to erect shrub from 1.5 to 7m high with smooth green or greyish branches. Grows on a variety of soil types in sclerophyll forests or open woodland.

Grey-green bipinnate foliage of A. deanei ssp paucijuga

Opened pods of Acacia deanei ssp paucijuga

Showy habit of Acacia deanei ssp paucijuga

Habitat of Acacia deanei ssp paucijuga in The Pilliga

Compare with Acacia deanei subsp. deanei here.