Coastal Silver Mallee vs Swampmahogany

Eucalyptus ecostata compared with Eucalyptus robusta

Taxonomic Classification

Rank	Coastal Silver Mallee	Swampmahogany
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (木兰植物门)	Magnoliophyta (木兰植物门)
Class same	Magnoliopsida (木兰纲)	Magnoliopsida (木兰纲)
Order same	Myrtales (桃金娘目)	Myrtales (桃金娘目)
Family same	Myrtaceae	Myrtaceae
Genus same	Eucalyptus	Eucalyptus
Species	Eucalyptus ecostata	Eucalyptus robusta

Evolutionary Relationship

Coastal Silver Mallee and Swampmahogany share a common ancestor at the Genus level: Eucalyptus.

Conservation Status

Coastal Silver Mallee

NT — Near Threatened

Swampmahogany

NT — Near Threatened

Physical Characteristics

Attribute	Coastal Silver Mallee	Swampmahogany
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Coastal Silver Mallee

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Swampmahogany

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (10 countries), Asia (India, Taiwan, Vietnam), Europe (6 countries), North America (Nicaragua, Panama, United States), Oceania and the Pacific (Micronesia), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Coastal Silver Mallee

Coastal silver mallee (Eucalyptus ecostata) is a multi-stemmed mallee eucalyptus in the family Myrtaceae, endemic to the southwest of Western Australia, where it grows in coastal heath, scrub, and mallee shrublands on sandy or lateritic soils near the Indian Ocean coast. Like other mallees, it regenerates vigorously from a lignotuber after fire, a critical adaptation in fire-prone Mediterranean-climate vegetation. Leaves are silvery-grey on young growth, giving rise to the common name, while older foliage is greener. The species produces creamy white to yellow flowers that attract native bees and honeyeaters. Eucalyptus ecostata is assessed as Near Threatened by the IUCN, reflecting a restricted range in the Southwest Australian Floristic Region—one of the world's biodiversity hotspots—and vulnerability to habitat clearing for agriculture, altered fire regimes, and invasion by introduced weeds such as Phytophthora cinnamomi, a root pathogen that has devastated many Australian plant species. Conservation efforts in the region focus on protecting remnant coastal heath and mallee vegetation within the Southwest's network of national parks and nature reserves.