Mammillaria lasiacantha Engelm.
  • Proc. Amer. Acad. Arts
  • Golf ball cactus, lacespine nipple cactus

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

General Information

Plants unbranched, usually deep-seated in substrate and inconspicuous. Roots diffuse, upper portion not enlarged. Stems depressed-spheric to short cylindric, (1-)2-3.5 × (1.4-)2-4(-7) cm, firm; tubercles 3-6(-8) × 2-3 mm; axils without evident hairs; cortex and pith not mucilaginous; latex clear or slightly milky, sporadic, only in outer cortex. Spines (26-)40-60(-90) per areole, in several series but all equally thin, mostly appressed, white or very pale pink, often minutely tipped pinkish brown, innocuous, bristlelike, 0.6-5(-6) × 0.05-0.1 mm, glabrous to plumose, all interpreted as radial, innermost spines shortest; central spines 0. Flowers 0.9-1.5(-2) × 0.8-1.3(-1.8) cm; outermost tepal margins entire (or minutely and irregularly lacerate); inner tepals white or cream, usually with sharply defined midstripes of green, yellow, tan, pink, pale purple, or reddish, 4.5-8 × 1.5-2.7 mm; stigma lobes yellow or pale yellow-green to green, 0.3-1 mm. Fruits scarlet, cylindric or clavate, 10-20(-25) × (3-)4-8(-11) mm, juicy mostly in fruit walls; floral remnant persistent. Seeds black, 1-1.2[-1.4] × 0.8[-1.1] × 0.8 mm, pitted; testa hard; interstices equaling pit diameters; pits bowl-shaped. 2n = 22.

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

    Other Local Names

    Golf ball cactus, lacespine 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 v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • D See IUCN Terms and conditions of use
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • E All Rights Reserved