Simsia amplexicaulis

{{Short description|Species of plant}}

{{Speciesbox

|image=Simsia amplexicaulis - inflorescencia.jpg

|image_caption=Flowers

|image2=Simsia amplexicaulis - planta.jpg

|image2_caption=Habit

|genus=Simsia

|species=amplexicaulis

|authority=(Cav.) Pers.

|synonyms_ref=

|synonyms={{Collapsible list|

• Coreopsis amplexicaulis {{small|Cav.}}
• Encelia amplexicaulis {{small|(Cav.) Hemsl.}}
• Encelia cordata {{small|(Kunth) Hemsl.}}
• Encelia heterophylla {{small|(Kunth) Hemsl.}}
• Encelia mexicana {{small|Mart. ex DC.}}
• Helianthus amplexicaulis {{small|(Cav.) DC.}}
• Helianthus sericeus {{small|Sessé & Moc.}}
• Helianthus trilobatus {{small|Link}}
• Simsia amplexicaulis var. decipiens {{small|(S.F.Blake) S.F.Blake}}
• Simsia amplexicaulis var. genuina {{small|S.F.Blake}}
• Simsia auriculata {{small|DC.}}
• Simsia cordata {{small|(Kunth) Cass.}}
• Simsia foetida var. decipiens {{small|S.F.Blake}}
• Simsia heterophylla {{small|(Kunth) DC.}}
• Simsia kunthiana {{small|Cass.}}
• Ximenesia cordata {{small|Kunth}}
• Ximenesia heterophylla {{small|Kunth}}
• Ximenesia hirta {{small|Mart. ex DC.}}

}}}}

Simsia amplexicaulis is a species of flowering plant in the family Asteraceae, native to Mexico, Guatemala, and Honduras.{{cite POWO |id=249217-1 |title=Simsia amplexicaulis (Cav.) Pers. |access-date=24 May 2023 }} It is a common weed of cultivation.{{cite journal |last1=Tejeda-Sartorius |first1=O. |last2=Vaquera-Huerta |first2=H. |last3=Cadena-Iñiguez |first3=J. |date=2011 |title=Effect of amaranth residues (Amaranthus hypochondriacus L.) on weed control and yield on radish, onion and carrot |url=https://revistas.inia.es/index.php/sjar/article/view/1559 |journal=Spanish Journal of Agricultural Research |volume=9 |issue=1 |pages=284–295 |doi=10.5424/sjar/20110901-040-10 |access-date=24 May 2023 |doi-access=free }}