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Hawaiian tropical low shrublands

Hawaiian tropical low shrublands
Starr 050519-1786 Heliotropium anomalum var. argenteum.jpg
Ecology
Biome Tropical and subtropical grasslands, savannas, and shrublands
Borders Hawaiian tropical dry forests
Geography
Area 1,500 km2 (580 sq mi)
Country United States (Hawaii)
Conservation
Conservation status Critical/Endangered
Global 200 No

Coordinates: 24°N 165°W / 24°N 165°W / 24; -165

The Hawaiian tropical low shrublands are a tropical savanna ecoregion in the Hawaiian Islands. These shrublands cover an area of 1,500 km2 (580 sq mi) in the leeward lowlands of the main islands and most of the smaller islands, including the Northwestern Hawaiian Islands. The ecoregion includes both grasslands and mixed shrublands. Kāwelu (Eragrostis variabilis), mauʻu ʻakiʻaki (Fimbristylis cymosa), ʻakiʻaki (Sporobolus virginicus), and Lepturus repens are common grassland plants. Shrublands are dominated by ʻilima (Sida fallax), ʻaʻaliʻi (Dodonaea viscosa), naupaka (Scaevola spp.), hinahina kū kahakai (Heliotropium anomalum var. argenteum), kīpūkai (Heliotropium curassavicum), maʻo (Gossypium tomentosum), ʻakoko (Euphorbia spp.), ʻāheahea (Chenopodium oahuense), naio (Myoporum sandwicense), kolokolo kahakai (Vitex rotundifolia), and pūkiawe (Styphelia tameiameiae). More than 90% of the plant species found in this ecoregion are endemic, including ʻōhai (Sesbania tomentosa),ʻāwiwi (Schenkia sebaeoides), and wahine noho kula (Isodendrion pyrifolium).


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