Mammillaria sphaerica A. Dietr.
  • Allg. Gartenzeitung
  • Longmamma nipple cactus

Cite taxon page as 'WFO (2021): Mammillaria sphaerica A. Dietr. Published on the Internet; Accessed on: 17 Oct 2021'

General Information

Plants many branched; branches 10-30(-50). Roots thick taproots, large in upper portion. Stems subspheric, 4-5 × 5-8 cm, soft, flaccid; tubercles 12-25 × 5-8 mm; axils slightly short woolly, without bristles; cortex and pith not mucilaginous; latex absent. Spines 13-15 per areole, whitish to yellowish, glabrous; radial spines 12-14 per areole, gray, bristlelike, 6-9 × 0.1 mm, stiff; central spines 1 per areole, porrect, straight, not hooked or curved, similar to radial spines, 3-6 × 0.25 mm; subcentral spines 0. Flowers 4 × 5-7 cm; outermost tepal margins entire (or minutely toothed near base); inner tepals bright yellow, paler near base, 20-30 × 4.5-8.5 mm; stigma lobes cream to pale yellow, 5-6 mm. Fruits greenish white to dull pinkish tan or maroon, ovoid to short cylindric, 10-15(-20) × 7 mm, juicy throughout; floral remnant weakly persistent. Seeds brown, 1.3 × 0.9 mm, pitted; testa soft or leathery, not hard or brittle; anticlinal cell walls straight to slightly curved; interstices equal or narrower than pit diameters; pits bowl-shaped. 2n = 22.

  • Provided by: [B].Flora of North America @
    • Source: [
    • 1
    • ]. 

    Other Local Names

    Longmamma nipple cactus

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • D All Rights Reserved
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • E See IUCN Terms and conditions of use