Sclerocactus cloverae K.D. Heil & J.M. Porter
  • Haseltonia
  • Clover eagle-claw cactus, Clover’s fishhook cactus

Cite taxon page as 'WFO (2020): Sclerocactus cloverae K.D. Heil & J.M. Porter. Published on the Internet; Accessed on: 08 Jul 2020'

General Information

Stems unbranched (occasionally 2-3-branched near base), green, ovoid to elongate-cylindric, 2.9-25(-35) × 2.8-12.5(-20) cm; ribs usually (11-)13(-15), well developed, tubercles evident on ribs. Spines obscuring stems; radial spines 4-6 per areole, acicular, elliptic or rhombic in cross section, 19 × 1.3-2 mm; central spines 6-9 per areole, usually 8; abaxial central spine usually 1 per areole, porrect, straw colored to brown, highlighted with purple or red, terete or somewhat angled, hooked, (15-)30-46 × 1.5 mm; lateral central spines 5-8 per areole, similar to abaxial but slightly shorter and usually not hooked; adaxial central erect, white or straw colored, straight or curved, angled to flat, somewhat inconspicuous, triangular in cross section, 25-55 × 1-2 mm. Flowers narrowly funnelform to campanulate, 2.5-3.5(-4) × 1.6-3.1(-3.6) cm; outer tepals with greenish to purple with brownish midstripes, pink, purple, or whitish margins, larger ones oblanceolate, 10-18 × 4-7.5 mm, margins membranous and crisped or minutely toothed, apex mucronate; inner tepals purple, sometimes suffused with brown, largest tepals oblanceolate, 15-22(-30) × 4-6 mm, margins irregularly toothed, apex mucronate; filaments white, tinged with pink to pink-purple; anthers yellow; ovary minutely papillate, appearing smooth. Fruits irregularly dehiscent or dehiscent through basal abscission pore, green to tan, sometimes suffused with pink, 7-15 × 5-12 mm, dry; scales few, membranous, scarious-margined, minutely toothed or fringed. Seeds brown or black, 1.2-2.5 × 1.9-3.5 mm; testa with rounded papillae.

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

    Other Local Names

    Clover eagle-claw cactus, Clover’s fishhook 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).