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Accepted Scientific Name: Parodia mammulosa
Bradleya 5: 93. 1987

Origin and Habitat: This red population of Parodia mammulosaSN|20022]]SN|20022]] is reported from the north of Argentina.
Synonyms:
Parodia mammulosa (Lem.) N.P.Taylor
Bradleya 5: 93. 1987
Synonymy: 51
- 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.
- 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
Cactaceae Consensus Init. 6: 11 11 1998
Synonymy: 3
- 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
Cactaceae Consensus Init. 6: 11. 1998
Synonymy: 4
- 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
Cactaceae Consensus Init. 6: 11. 1998
Synonymy: 6
- 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
ENGLISH: Tom Thumb
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.
Subspecies, varieties, forms and cultivars of plants belonging to the Parodia mammulosa group
Notocactus roseoluteus Vliet
Parodia mammulosa (Lem.) N.P.Taylor: (ssp. mammulosa) Plants have 18-25 ribs, 2-4 central spines and 20-30 radials. It is widely distributed in Brazil, Uruguay and Argentina.
- Parodia mammulosa subs. brasiliensis (Havlíček) Hofacker: They have about 15 ribs, 1 central spine, 8-10 radials, it occur near Santos, Brasil.
- Parodia mammulosa f. cristata (P.V.Heath) hort.
- Parodia mammulosa subs. erythracantha (H.Schloss. & Bredero) Hofacker: They have about 16 ribs, 2 central spines and 10-14 radials it occour in Tacuarembo, Uruguay.
Parodia mammulosa f. monstruosa cristata hort.
Parodia mammulosa subs. submammulosa (Lem.) Hofacker: These plants have the fewest number of ribs (about 13), about 6 radial spines spreading out horizontally, and two long and flat central spines, of which one longer and pointing down, and another a bit shorter and pointing up. It occours in Uruguai and argentina.
Parodia mammulosa cv. Red Flowers: This red population is reported from the north of Argentina.
Parodia orthacantha (Link & Otto) Hofacker
Parodia roseolutea f. monstruosa hort.
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

Parodia mammulosa cv. Red Flowers Photo by: Cactus Art

Parodia mammulosa cv. Red Flowers Photo by: Cactus Art
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.
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