Discocactus placentiformis

{{Short description|Species of cactus}}

{{Speciesbox

| image =Discocactus placentiformis ssp. pugionacanthus (Buining & Brederoo) P.J.Braun & Esteves.jpg

| image_caption =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author= Machado, M. |author2= Braun, P. |author3= Taylor, N.P. |author4= Zappi, D. |date=2017 |title= Discocactus placentiformis |volume=2017 |page= e.T40946A121438315 |doi= 10.2305/IUCN.UK.2017-3.RLTS.T40946A121438315.en |access-date=June 17, 2025}}

| taxon = Discocactus placentiformis

| authority = (Lehm.) K.Schum.

| synonyms = {{species list |hidden = yes |Cactus placentiformis |Lehm.

|Discocactus lehmannii |Pfeiff.

|Echinocactus lehmannii |Ser.

|Echinocactus placentiformis |(Lehm.) K.Schum.

|Melocactus placentiformis |(Lehm.) DC.

|Cactus alteolens |(Lem.) Kuntze

|Discocactus alteolens |K.Schum.

|Discocactus alteolens |(Lem.) A.Dietr.

|Discocactus besleri |F.A.C.Weber

|Discocactus crystallophilus |Diers & Esteves

|Discocactus insignis |Pfeiff.

|Discocactus latispinus |Buining & Brederoo

|Discocactus latispinus subsp. pseudolatispinus |(Diers & Esteves) P.J.Braun & Esteves

|Discocactus latispinus subsp. pulvinicapitatus |(Buining & Brederoo) P.J.Braun & Esteves

|Discocactus linkii |Pfeiff.

|Discocactus multicolorispinus |P.J.Braun & Brederoo

|Discocactus placentiformis subsp. alteolens |(Lem.) P.J.Braun & Esteves

|Discocactus placentiformis var. alteolens |(Lem.) P.J.Braun & Esteves

|Discocactus placentiformis subsp. multicolorispinus |P.J.Braun & Esteves

|Discocactus placentiformis subsp. pugionacanthus |(Buining & Brederoo) P.J.Braun & Esteves

|Discocactus placentiformis var. pugionacanthus |(Buining & Brederoo) P.J.Braun & Esteves

|Discocactus pseudolatispinus |Diers & Esteves

|Discocactus pugionacanthus |Buining & Brederoo

|Discocactus pulvinicapitatus |Buining & Brederoo

|Discocactus tricornis |Monv. ex Pfeiff. & Otto

|Echinocactus alteolens |Lem.

|Echinocactus besleri |(Link & Otto) Ser.

|Echinocactus insignis |(Pfeiff.) Ser.

|Echinocactus tricornis |Monv. ex A.Dietr.

|Melocactus besleri |Link & Otto}}

|synonyms_ref =

}}

Discocactus placentiformis is a species of flowering plant in the family Cactaceae.{{cite web |url= https://www.catalogueoflife.org/data/taxon/36T2L |title= Discocactus placentiformis (Lehm.) K.Schum |author= |date=n.d. |website=Catalogue of Life |publisher=Species 2000 |access-date=June 17, 2025}} It is found in Brazil.{{cite web | title=Discocactus placentiformis (Lehm.) K.Schum. | website=Plants of the World Online | url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:82197-2 | access-date=2024-01-02}}