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  Notocactus langsdorfii
(Syn: Wigginsia langsdorfii, Parodia langsdorfii)
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Notocactus langsdorfii
(polyacanthus)  FR
1273 Arroio dos Ratos, Rio Grande do Sul, Brazil
This plant is recognizable for numerous spines and the small-sized pale yellow flowers.
 
 

Description: Usually solitary (in the standard form), or branching.
NOTE: Notocactus langsdorfii, together with the subordinated taxa ('leprosorum', 'longispinum', 'pulvinatus', ediewarasii', 'multiceps' and 'prolifer'), form a group of very similar and controversial southern Brasilian plants bearing small flowers and strong spination.

Stem: Bright or dark green, globose to short cylindrical.  The apex is depressed and filled with whitish-grey wool.
Ribs: Well marked and sharp, with scarcely prominent chinned tubercles. The crest of the ribs typically take on a purple red hue in full sun.
Areoles: Well spaced, woolly, recessed .
Spines: Several, yellowish, strong, about 20-25 mm long, spreading or curved down and backward.
Flowers: Small, lemon yellow with glossy shining petals, up to about 2-3 cm in diameter, standing near the top, and decorated with a red pistil which emphasizes the yellow of the petals.  The buds are tomentose.
Blooming season: They bloom annually around June-July.

NOTE: All species of genera Notocactus, Wigginsia and Malacocarpus have recently been transferred to genus Parodia, so the names of several plants previously accepted are now all synonyms of Parodia langsdorfii.
 

The flowers are  lemon yellow with shining glossy petals, and are very showy. The red purple stigma emphasize the yellow of the petals.
 

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Family: Cactaceae (Cactus Family)

Conservation status: Listed in CITES Appendix II

Accepted Scientific name: Notocactus langsdorfii (Lehmann) Krainz
In: Kakt. und and. Sukk., 17: 195, 1966

Origin:  Southern Brazil, Rio Grande do Sul, Brazil.

Habitat: This species usually grows between rocks.

Conservation status: Listed in CITES appendix 2.

 


SUBORDINATES TAXA:

Notocactus langsdorfii var. langsdorfii  
Synonyms:  

  • (Basionim) Cactus (Melocactus) langsdorfii Lehmann 1826
    In: Semina in Hort. bot. Hamburg. coll.: 17
  • Echinocactus langsdorfii (Lehmann) Link & Otto
    In: Icon. Pl. Rar., p. 79, 1830
    a
  • Echinocactus poliacanthus Link & Otto
    In: Verh. Verh. Beförd. Gartenb., 3: 422, 1827
  • Cactus Langsdorfii Lehmann 1828
    in: Ind. Sem. Hamburg., p. 17, 1826
  • Melocactus langsdorfii P. de Candolle 1828
  • Cactus poliacanthus Link & Otto 1827
  • Malacocarpus polyacanthus (Lk. et O.) Salm-Dyck
    In: Cact. Hort. Dyck., p. 25, 1841850
  • Malacocarpus langsdorfii (Lehmann) Britton & Rose
    In: Cactaceae, 3: 1623, 1922
  • Notocactus polyacanthus (Link & Otto) S.Theunissen
    In: Succulenta, 60: 12, 1981
  • Melocactus polyacanthus Lk. et O.
    In: Verh. Verh. Beförd. Gartenb., tab. 16, 1827
  • Wigginsia langsdorfii (Lehmann) D.M.Porter
    In: Taxon, 13: 210, 1964
  • Wigginsia polyacantha (Link & Otto) F.Ritter
    In: Kakteen in Südamerika, 1: 193, 1979
  • Parodia langsdorfii D.R.Hunt 1997
  • Ritterocactus langsdorfii (Lehmann) Doweld 2000

Notocactus langsdorfii var. leprosorum (Ritter) Hofacker, 1994 Synonyms:  

  • Wigginsia leprosorum F.Ritter 1979
  • Notocactus leprosorum (F.Ritter) Havlicek 1981
  • Notocactus leprosorum (F.Ritter) S.Theunissen 1981

Notocactus langsdorfii var. longispinus (F.Ritter ) N.Gerloff
In:: Internoto 14 (2): 78-79 1993
Synonyms:  

  • (Basionym) Wigginsia longispina F.Ritter 1979
    In: : Kakteen in Suedamerika, Bd.1: 198-199 1979
  • Notocactus longispinus (F.Ritter) S.Theunisssen 1981
  • Notocactus longispinus (F.Ritter) Havlicek 1981
  • Notocactus langsdorfii var. longispinus f. infernensis n.n.

Notocactus langsdorfii var. pulvinatus (van Vliet) Neduchal, 1999

Notocactus langsdorfii f. ediewarasii N.Gerloff 1994
in: : Minimus 25 (2): 5-12 - 1994
Synonyms:  

  • Notocactus langsdorfii f. eddievarasii N.Gerloff 1993 nom.inval.

Notocactus langsdorfii f. multiceps (Hofacker et Herm) Neduchal, 1999

Notocactus langsdorfii f. prolifer (F.Ritter ) N.Gerloff
In: Internoto 14 (2): 76-77N.Gerloff 1993
Synonyms:  

  • (Basionym) Wigginsia prolifera F.Ritter
    In: Kakteen in Suedamerika, Bd. 1: 199 1979
  • Notocactus prolifer (F.Ritter) S.Theunissen 1981
  • Notocactus prolifer (F.Ritter) Havlicek 1981

Cultivation: It is easy to grow. They like a warm bright location, does great in partial shade avoid full sun.  They need good drainage and prefer a neutral to slightly acidic compost with plenty of extra grit. Water and feed during the summer. Best if watered with rain water. Keep above 0°C and rather dry in winter, rot easily if the substrate is wet and cold, tends to lose its roots in winter.

Propagation: Seeds

Home | E-mail | Plant files | Mail Sale Catalogue | Links | Information | Search

All the information and photos in cactus art files are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.