Elaphoglossum pringlei

Elaphoglossum pringlei

Content

Altitude

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    • Categoría IUCN

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    • Categoría NOM-059-SEMARNAT-2010

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    • Description

    Rhizomes short-creeping, compact, horizontal, 2–4 mm diam.; rhizome scales linear-lanceolate, dark brown, lustrous, entire, ca. 2 mm long; fronds clumped, to 18 X 0.5–3 cm; phyllopodia distinct to indistinct; stipes 1⁄5–1⁄2 the frond length, with scales both spreading, lanceolate and reduced, appressed, substellate; blades narrowly elliptic, chartaceous, bases cuneate, apices acute to acuminate; veins obscure, free, simple or onceforked, 0.6–1 mm apart, at 60–70° angle to costa; hydathodes absent; blade scales of adaxial surfaces lanceolate, deeply toothed, on abaxial surface substellate (stellate with some scale body); fertile fronds longer than the sterile and very long-stiped, stipes about 2⁄3 the frond length, blades narrower than those of sterile fronds, 0.7–1.2 cm wide, scales on the abaxial costae but not among the sporangia.A
    A. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88

    Discussion

    It is surprising to find so many collections from Oaxaca and none from other states. Elaphoglossum pringlei resembles E. muelleri but differs in having dark, lustrous rhizome scales and substellate abaxial blade scales, with at least a narrow scale body.
    Elaphoglossum pringlei is closely allied with E. petiolatum in its entire rhizome scales and blade size and shape, but there are no resin dots on the blades and the scales are substellate abaxially.
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    B. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88

    Distribution

    México (Country) endemicC
    C. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88

    Estatus del taxón

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    • Forma de crecimiento

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    • Forma de vida

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    • Nutrición

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    • Specimen

    Oax (Anderson & Anderson 4778, NY; Campos V. 2650, NY; Hallberg 1811, NY; Hellwig 260, NY; Mickel 822, 3737, 4593, 5329, 6809, NY; Rzedowski 21009, NY).
    Unverified, Doubtful, or Mistaken Reports. Mich (reported by Mickel & Beitel, but specimens redetermined as E. rzedowskii).
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    D. Mickel, J. T. & Smith, A. R. 2004: The Pteridophytes of Mexico Vol. 88

    Tipo de vegetación

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    • Synonymy

    Elaphoglossum pringlei C.Chr., Index Filic.: 313. 1905
    • ≡Acrostichum pringlei Davenp., Bot. Gaz. 21: 253. 1896