Heynella

{{Short description|Genus of plants}}

{{Speciesbox

| image =

| image_caption =

| display_parents = 3

| genus = Heynella

| parent_authority = Backer

| species = lactea

| authority = Backer

}}

Heynella is a monotypic genus of flowering plants belonging to the family Apocynaceae. The only species is Heynella lactea.{{cite web |title=Heynella Backer {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:3415-1 |website=Plants of the World Online |access-date=26 May 2021 |language=en}}

It is native to Java.

The genus name of Heynella is in honour of Karel Heyne (1877–1947), a Dutch botanist.{{cite book | last=Quattrocchi | first=Umberto | title=CRC World Dictionary of Plant Names, Volume II, D–L | publisher=CRC Press | location=Boca Raton, Florida | year=2000 | isbn=978-0-8493-2676-9}} It was first described and published in Blumea Vol.6 on page 381 in 1950.