Jacksonia (plant) Jacksonia (plant) Jacksonia is a genus of about forty, mostly leafless broom-like shrubs or small trees in the flowering plant family Fabaceae. The genus is endemic to Australia and species occur in a range of habitats in all Australian states except South Australia. Plants in the genus "Jacksonia" are mostly leafless shrubs or small trees with rigid branches, and leaves reduced to small scales. The flowers are arranged in spikes or racemes with small bracts or bracteoles. The sepals are joined to form a short tube and the petals are usually shorter than the sepals. The standard or banner petal
Conradina grandiflora to 1.5 centimeters in length. Each flower has a hairy, maroon-tinged calyx of pointed sepals. The flower corolla is about 2 centimeters long, with a funnel-shaped throat and a hairy, lipped mouth. It is lavender in color with darker lavender spots. This species has the largest flowers of the genus "Conradina". The plant flowers year-round. This plant grows on dunes and other landforms with deep, sandy soils, often near the coast. The habitat is generally Florida scrub, and the plant is common in remaining remnants of scrub habitat. It is well-adapted to a regime of frequent fires. It does not