Lymanbensonia

{{short description|Genus of Cactaceae plants}}

{{Automatic taxobox

|image=黃劍葦 Lepismium crenatum -香港公園 Hong Kong Park- (9237498397).jpg

|image_caption=Lymanbensonia crenata

|taxon=Lymanbensonia

|authority= Kimnach

|subdivision_ranks=Species

}}

Lymanbensonia is a genus of epiphytic cacti in the tribe Lymanbensonieae, found in Bolivia, Ecuador, and Peru.{{cite web |title=Lymanbensonia Kimnach {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:893388-1 |website=Plants of the World Online |language=en}} The genus was recently reinstated after it was found to be unrelated to Pfeiffera.{{cite journal |title=A phylogenetic analysis of Pfeiffera and the reinstatement of Lymanbensonia as an independently evolved lineage of epiphytic Cactaceae within a new tribe Lymanbensonieae |year=2010 |last1=Korotkova |first1=Nadja |last2=Zabel |first2=Leonie |last3=Quandt |first3=Dietmar |last4=Barthlott |first4=Wilhelm |journal=Willdenowia |volume=40 |issue=2 |pages=151–172 |doi=10.3372/wi.40.40201 |s2cid=83770697 |doi-access=free }}

The genus Lymanbensonia is named after botanist Lyman Benson.{{cite journal |last1=Kimnach |first1=Myron |title=Lymanbensonia |journal=Cactus and Succulent Journal |date=1984 |volume=56 |page=101}}