Description of T. viereckii ssp. neglectus

Latin: Corpus globosus plerumque singulus, 5 cm diametri summum, lanatus in apice; maturae areolae lanatae in juvenilibus tubercolis, deinde nudae; spinae radiales 16-20, rigidulae, aciculares, vitreae, gilvae; spinae centrales 7-9, rigidulae, aciculares, nigrae basibus gilvis; radix ramosa; juveniles plantae ssp. viereckii similes, sed spinis radialibus plerumque breivoribus, non plumosis in primo juvenili momento, vitreis gilvisque; flos campani-forma, 2-2.5 cm diametri interna perianthi segmenta lanceata, magenta colore, externa perianthi segmenta magenta colore; filamenta staminea magenta colore et irritabilia; stigma roseus; stylus magenta; fructus occultus, viridi/ fusco colore, verticali rima in matura aetate apertus; semina extensa, 0,8-1 mm longis, testa externa nigra, striato tegumento, hyli collum crassum, hylum ovatum duobus protuberationibus a latere, micropyle interna.

Holotypus: Mexico, Tamaulipas, Jaumave, L 1159, cult. sem. C. Zanovello. Feb. 2004. (Botanical Garden of Padoa HG-5409).

Body globose for the most part solitary, 5 cm Ø at the top, wool in the apex; mature areoles wooly when young, becoming bare; radial spines 16-20, sub-rigid, acicular, glassy, yellowish; central spines 7-9, rigid, acicular, yellowish with black tips; root branched; juvenile plants similar to ssp. viereckii, but radial spines for the most part shorter, not feathery in the early juvenile stage, glassy yellowish; flower campanulate, 2-2.5 cm Ø internal perianth segments lanceolate, magenta, external perianth segments magenta; staminal filaments magenta and irritable, stigma pink; style magenta; fruit hidden, green/brown, vertical cleft opening when ripe; seeds elongated, 0.8-1 mm long, testa black, striate cuticle, hilum neck thick, hilum ovate 2 lateral swellings, micropyle internal.

Notes

This is the plant long known under the collection number L 1159.

Related taxa

Turbinicarpus viereckii ssp. neglectus is part of the saueri aggregate of taxa, together with the following:

• T. horripilus
• T. horripilus ssp. wrobelianus
• T. knuthianus
• T. saueri
• T. saueri ssp. gonzalezii
• T. saueri ssp. nelissae
• T. saueri ssp. septentrionalis
• T. saueri ssp. verduzcoi
• T. saueri ssp. ysabelae
• T. viereckii
• T. viereckii ssp. major

References

• Turbinicarpus - Rapicactus, D. Donati and C. Zanovello.

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