Halanthium

{{Short description|Genus of flowering plants}}

{{Automatic taxobox

|taxon = Halanthium

|authority = K.Koch (1844)

|subdivision_ranks = Species

|subdivision =

• Halanthium alaeflavum {{small|Assadi}}
• Halanthium kulpianum {{small|(K.Koch) Bunge}}
• Halanthium mamamense {{small|Bunge}}
• Halanthium purpureum {{small|(Moq.) Bunge}}
• Halanthium rarifolium {{small|K.Koch}}

|subdivision_ref = [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:6867-1 Halanthium K.Koch]. Plants of the World Online. Retrieved 30 March 2024.

|synonyms = Physogeton {{small|Jaub. & Spach (1845)}}

|synonyms_ref =

}}

Halanthium is a genus of flowering plants in the amaranth family, Amaranthaceae. It includes five species of annuals native to western Asia, ranging from Turkey to the Caucasus, Iraq, and Iran.