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Torreycactus conothelos subs. argenteus (Glass & R.A.Foster) Doweld
Sukkulenty 3(1-2): 37. 2000
Family: CACTACEAE

Accepted Scientific Name: Thelocactus conothelos subs. argenteus (Glass & R.A.Foster) Glass
Guía Identif. Cact. Amenazadas México 1: Th/con ssp. argenteus (1998 publ. 1997), as 'conothele' Glass

Torreycactus conothelos subs. argenteus (Thelocactus conothelos subs. argenteus) Photo by: Valentino Vallicelli
SB311 Ascencion, NL, Mexico with a dense covering of short white spines and pink flowers.

Synonyms:

See all synonyms of Thelocactus conothelos
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Accepted name in llifle Database:
Thelocactus conothelos (Regel & E. Klein bis) F.M.Knuth
Kaktus-ABC [Backeb. & Knuth] 358. 1936 [12 Feb 1936]
Synonymy: 15 Accepted name in llifle Database:
Thelocactus conothelos f. albiflora hort.

Accepted name in llifle Database:
Thelocactus conothelos subs. argenteus (Glass & R.A.Foster) Glass
Guía Identif. Cact. Amenazadas México 1: Th/con ssp. argenteus (1998 publ. 1997), as 'conothele'
Synonymy: 4 Accepted name in llifle Database:
Thelocactus conothelos subs. aurantiacus (Glass & R.A.Foster) Glass
Guía Identif. Cact. Amenazadas México 1: Th/con ssp. aurantiacus (1998 publ. 1997), as 'conothele'
Synonymy: 4 Accepted name in llifle Database:
Thelocactus conothelos subs. flavus (Mosco & Zanov.) Mosco & Zanov.
Bradleya 18: 63 (2000)
Synonymy: 4
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Subspecies, varieties, forms and cultivars of plants belonging to the Thelocactus conothelos group

  • Thelocactus conothelos (Regel & E. Klein bis) F.M.Knuth: (ssp. conothelos) is usually solitary and globose, with tubercles not obscured by spines, and has 1-4 central spines, 10—16 radials, and magenta to white flowers. Distribution: Tamaulipas, San Luis Potosi, and Nuevo Leon.
  • Thelocactus conothelos f. albiflora hort.: has white flowers. Distribution: near Matehuala, San Luis Potosi, Mexico.
  • Thelocactus conothelos subs. argenteus (Glass & R.A.Foster) Glass: is solitary and globose to cylindrical, with tubercles mostly obscured by spines, and has creamy white central spines, about 20 glassy and silvery grayish white, and pinkish purple flowers. Distibution: near La Ascension, Nuevo Leon, at 2100 m.
  • Thelocactus conothelos subs. aurantiacus (Glass & R.A.Foster) Glass: is solitary, globose to somewhat cylindrical, with tubercles mostly obscured by spines with bright yellow to orange-yellow flowers. Distribution: Aramberri, Nuevo Leon, at 1000-1200 m.
  • Thelocactus conothelos subs. flavus (Mosco & Zanov.) Mosco & Zanov.: has strongly tubercled stems with long spines and yellow flowers. Distribution: San Luis Potosí, between Huizache and La Hincada.
  • Thelocactus garciae Glass & Mend.-Garc.: has flattened globose stems divided into tubercles, the areoles bear one or two glands. Distribution: vicinity of Bustamante.
  • Thelocactus longispinus: not dissimilar to Thelocactus conothelos subs. flavus but with longer spines.
  • Thelocactus panarottoanus Halda: same as Thelocactus conothelos subs. flavus.
  • Thelocactus saussieri (F.A.C.Weber) A.Berger: usually has a darker flower color, less and shorter spines and grows flatter (= less cylindrical) than the type species. Distribution: Nuevo León and Tamaulipas, Mexico.

6316 cactus-art Cactus Art
Torreycactus conothelos subs. argenteus (Thelocactus conothelos subs. argenteus) Photo by: Cactus Art
6315 cactus-art Cactus Art
Torreycactus conothelos subs. argenteus (Thelocactus conothelos subs. argenteus) Photo by: Cactus Art

6319 cactus-art Cactus Art
Torreycactus conothelos subs. argenteus (Thelocactus conothelos subs. argenteus) Photo by: Cactus Art
6318 cactus-art Cactus Art
Torreycactus conothelos subs. argenteus (Thelocactus conothelos subs. argenteus) Photo by: Cactus Art

6317 cactus-art Cactus Art
Torreycactus conothelos subs. argenteus (Thelocactus conothelos subs. argenteus) Photo by: Cactus Art
6320 cactus-art Cactus Art
Torreycactus conothelos subs. argenteus (Thelocactus conothelos subs. argenteus) Photo by: Cactus Art


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