Silver Dollar Eucalyptus (also known as Argyle Apple or Mealy Eucalyptus)
Kingdom: Plantae, Division: Magnoliophyta, Class: Magnoliopsida, Order: Myrtales, Family: Myrtaceae, Genus: Eucalyptus, Species: E. cinerea · Myrtaceae (Myrtle family) · Simple, evergreen
Species
Eucalyptus cinerea
Leaf Type
Simple, evergreen
Family
Myrtaceae (Myrtle family)
Shape
Orbicular to broadly ovate (distinctive silver-dollar shape on juvenile foliage)
Size
Approximately 1 to 2 inches in diameter, matching the standard juvenile foliage size range for this species.
Margin
Entire
Arrangement
Opposite
Rarity
Very Common in cultivation and floral design, though naturally restricted in the wild.
Color & Pattern
Glaucous blue-gray to silvery-green coloration with a uniform matte finish and powdery waxy coating.
Venation Pattern
Pinnate with a prominent midrib and a fine network of marginal veins
Texture & Surface
Leathery (coriaceous) and coated with a waxy, glaucous bloom that gives it a smooth yet powdery feel.
Description
Eucalyptus cinerea is a small to medium-sized evergreen tree celebrated primarily for its stunning juvenile foliage. The crown features striking, rounded, silver-gray leaves arranged closely along slender stems, contrasting with rough, fibrous reddish-brown bark on mature trunks. It produces small white flowers followed by woody capsule fruits.
Key Features
Opposite, sessile, round blue-gray juvenile leaves that clasp the stem; smooth waxy coating; fibrous reddish-brown bark on older trees.
Habitat
Well-drained soils in full sun, typically native to open forests and woodlands in dry, rocky regions.
Geographic Range
Native to southeastern Australia, widely cultivated as an ornamental plant and for floral arrangements globally.
Condition Notes
The foliage appears fresh, vibrant, and healthy with no visible signs of pest damage, disease, or nutrient deficiency.
Interesting Facts
The juvenile leaves of Eucalyptus cinerea are heavily utilized in the floral industry due to their exceptional longevity when cut and striking silvery color. Koalas famously consume various eucalyptus species, though this particular species is less commonly browsed.
Medicinal & Uses
Widely used in floral arrangements and dried bouquets. Eucalyptus leaves contain essential oils (primarily eucalyptol) with antiseptic and aromatic properties, commonly used in aromatherapy, though the foliage of this specific ornamental species is less harvested for pure oil extraction compared to Eucalyptus globulus.
Ecological Role
Provides shelter and nesting sites for various bird species in its native range. The aromatic oils can act as a natural deterrent to certain herbivores.
Similar Species
Eucalyptus pulverulenta (Baby Blue Eucalyptus) which also features rounded juvenile foliage, but has smaller, more closely packed leaves and a slightly different branching habit.
Foraging Tips
Best identified by crushing a leaf to release the strong, distinct camphor-like or medicinal eucalyptus scent. Look for cultivated ornamental specimens in gardens or floral supply sources.
Toxicity Warning
Moderately Toxic. Eucalyptus leaves and essential oils contain toxic compounds (phloroglucinol derivatives and eucalyptol) that can cause vomiting, diarrhea, weakness, and central nervous system depression if ingested by humans or pets.