Taxonomy and Origin:
Family: Proteaceae
Genus: Grevillea
Species: Grevillea aurea
Common Names: Golden Grevillea, Death Adder Gorge Grevillea
Origin: Endemic to the Northern Territory, Australia
Physical Description:
Growth Habit: Tall, open shrub, typically 2-6 meters (6.5-20 feet) high.
Leaves: Oblong-dentate, 7-16 cm long, with 4-12 toothed lobes on each side, blue-green in color.
Flowers: Arranged in pendant clusters, coppery brown buds open to vibrant yellow-orange flowers (rarely full yellow).
Flowering Season: Primarily autumn and winter, but can flower sporadically throughout the year in cultivation.
Fruit: Elliptic follicle, 10-17mm long
Habitat and Growing Conditions:
Natural Habitat: Rocky areas, gorges, and escarpments in the Arnhem Land plateau.
Soil: Prefers well-drained soils.
Sunlight: Requires full sun.
Climate: Suitable for tropical and subtropical climates, not frost-tolerant
Ecological Significance:
Pollination: Attracts nectar-feeding birds, contributing to local biodiversity.
Soil Stabilization: Helps to prevent erosion in its natural habitat
Cultivation and Uses:
Ornamental Plant: Valued for its stunning floral display and attractive foliage.
Propagation: From seed (nicking the seed can improve germination) or cuttings.
Grafting: Can be grafted onto Grevillea robusta rootstock for increased vigor and longevity.
Landscaping: Ideal for adding color and texture to gardens in warm climates
Additional Notes:
Limited Lifespan: Cultivated plants may have a relatively short lifespan (2-3 years).
Conservation Status: Not currently listed as threatened, but its restricted distribution warrants monitoring.
Overall, Grevillea aurea is a visually striking and ecologically valuable plant species endemic to Australia's Northern Territory. Its vibrant flowers and unique foliage make it a prized addition to gardens in suitable climates, while its role in attracting pollinators and stabilizing soils underscores its importance in the ecosystem.
