Origin and Habitat: This red population of Parodia mammulosaSN|20022]]SN|20022]] is reported from the north of Argentina.

• Parodia mammulosa cv. Red Flowers
• Notocactus mammulosus cv. Red Flowers

• Parodia mammulosa (Lem.) N.P.Taylor
• Echinocactus mammulosus Lem.
• Malacocarpus mammulosus (Lem.) Britton & Rose
• Notocactus mammulosus (Lem.) A.Berger
• Ritterocactus mammulosus (Lem.) Doweld
• Echinocactus mammulosus var. hircina Speg.
• Echinocactus mammulosus var. typica Speg.
• Echinocactus pampeanus var. charruana Arechav.
• Echinocactus pampeanus var. rubellianus Arechav.
• Echinocactus pampeanus var. subplana Arechav.
• Notocactus floricomus var. spinosissimus Frič ex Buining
• Notocactus hypocrateriformis (Otto & A.Dietr.) Herter
• Echinocactus hypocrateriformis Otto & A.Dietr.
• Notocactus mammulosus f. cristatoides (F.Ritter) N.Gerloff & Neduchal
• Notocactus cristatoides F.Ritter
• Notocactus mammulosus f. floricomus (Arechav.) N.Gerloff & Neduchal
• Echinocactus floricomus Arechav.
• Notocactus floricomus (Arechav.) A.Berger
• Notocactus mammulosus var. floricomus (Arechav.) Havlíček
• Notocactus mammulosus f. macambarensis (Prestlé) N.Gerloff & Neduchal
• Notocactus macambarensis Prestlé
• Notocactus mammulosus var. megalanthus (H.Schloss. & Bredero) N.Gerloff & Neduchal
• Notocactus megalanthus H.Schloss. & Bredero
• Ritterocactus megalanthus (H.Schloss. & Bredero) Doweld
• Notocactus mammulosus var. pampeanus (Speg.) A.Cast. & Lelong in Descole
• Echinocactus mammulosus var. pampeanus (Speg.) Speg.
• Echinocactus pampeanus Speg.
• Malacocarpus mammulosus var. pampeanus (Speg.) Speg.
• Malacocarpus pampeanus (Speg.) Hosseus
• Notocactus pampeanus (Speg.) A.Berger ex Backeb. & F.M.Knuth
• Notocactus mammulosus var. paulus (H.Schloss. & Bredero) Havlíček
• Notocactus paulus H.Schloss. & Bredero
• Notocactus ritterianus Lisal & Kolarik
• Notocactus roseoluteus Vliet
• Notocactus cupreatus
• Notocactus herteri f. roseoluteus (Vliet) N.Gerloff & Neduchal
• Notocactus velenovskii Frič
• Notocactus floricomus var. velenovskii (Frič) Krainz
• Parodia mammulosa f. cristata (P.V.Heath) hort.
• Notocactus mammulosus f. cristatus P.V.Heath
• Parodia mammulosa f. monstruosa cristata hort.
• Notocactus mammulosus f. monstruosus cristatus hort.
• Parodia mueller-moelleri (Frič ex Backeb. & F.M.Knuth)
• Parodia orthacantha (Link & Otto) Hofacker
• Echinocactus orthacanthus Link & Otto
• Malacocarpus orthacanthus (Link & Otto) Herter
• Melocactus orthacanthus Link & Otto
• Notocactus mammulosus var. orthacanthus (Link & Otto) N.Gerloff & Neduchal
• Notocactus orthacanthus (Link & Otto) Vliet
• Wigginsia orthacantha (Link & Otto) Backeb.
• Parodia submammulosa subs. minor R.Kiesling

• Parodia mammulosa subs. brasiliensis (Havlíček) Hofacker
• Notocactus mammulosus var. brasiliensis Havlíček
• Ritterocactus mammulosus subs. brasiliensis (Havlíček) Doweld

• Parodia mammulosa subs. erythracantha (H.Schloss. & Bredero) Hofacker
• Notocactus erythracanthus H.Schloss. & Bredero
• Notocactus mammulosus var. erythracanthus (H.Schloss. & Bredero) N.Gerloff & Neduchal
• Ritterocactus mammulosus subs. erythracanthus (H.Schloss. & Bredero) Doweld

• Parodia mammulosa subs. submammulosa (Lem.) Hofacker
• Echinocactus mammulosus var. submammulosus (Lem.) Speg.
• Echinocactus submammulosus Lem.
• Notocactus submammulosus (Lem.) Backeb.
• Parodia submammulosa (Lem.) R.Kiesling
• Ritterocactus mammulosus subs. submammulosus (Lem.) Doweld

• Parodia mammulosa cv. Red Flowers
• Notocactus mammulosus cv. Red Flowers

Description: This is the very rare red blooming form of this popular species that usually has yellow flowers.
Stem: Globose, that elongates to a height of 5-10 cm and a diameter of 7-13 cm, with a depressed, spineless apex. The epidermis is green,.
Ribs: About 18 straight, well distinct, with prominent, rounded tubercles with chin-like protrusion.
Areoles: Large, deeply embedded between the tubercles, and set about 5 mm apart.
Radial spines: 8 to 10, slender, whitish to brownish, needlelike, usually less than 5 mm long.
Central spines: 4 (or more), up to 15 mm long, not easily distinguishable from the radials, usually flattish, thicker, straight and more than twice as long, white, yellow to brown with a brown tip, one usually flattened.
*Flowers: Bright magenta-pink with a orange-red throat, beautifully emphasized by the golden yellow stamens overtopped by the purplish-red stigma lobes, 5cm in diameter, with a short tube covered with white wool and brown bristles.

Bibliography: Major references and further lectures
1) Edward F. Anderson “The Cactus Family” Timber Press, 2001
2) Curt Backeberg “Cactus Lexicon” Sterling Publishing Company, Incorporated, 1978
3) Hiroshi Hirao “Colour encyclopaedia of cacti” Japan 1979 (Japanese language and script)
4) Willy Cullmann, Erich Götz (Dozent Dr.), Gerhard Gröner “The encyclopedia of cacti” Portland, OR: Timber Press, 1986
5) David Hunt, Nigel Taylor “The New Cactus Lexicon” DH Books, 2006 ISBN 0953813444, 9780953813445
6) James Cullen, Sabina G. Knees, H. Suzanne Cubey “The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass” Cambridge University Press, 11/Aug./2011

Cultivation and Propagation: This is an easy plant to cultivate. Can support quite a lot of water during the growing season.
Watering Needs: Keep rather dry in winter. It rots easily if soil is wet and cold. Relatively cold hardy,
Sun Exposure: Light shade to full sun, but it doesn't like full, hot blazing sun in the central summer months.
Propagation: Seed.