Pellaea sagittata (Cav.) Link.
  • Fil. Spec. 60 (1841)


Cite taxon page as 'WFO (2022): Pellaea sagittata (Cav.) Link. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001111218. Accessed on: 04 Oct 2022'

General Information

4. Pellaea sagittata (Cav.) Link, Fil. Spec. 60 (1841).

Por G. Yatskievych.

Pteris sagittata Cav., Descr. Pl. 267 (1802). Holotipo: México, Née s.n. (MA).

Rizoma 5-15 mm de diámetro, compacto, decumbente, quebradizo y blanco amiláceo internamente en estado fresco, las escamas concoloras, pardo-amarillentas a pardo-anaranjadas, esparcidamente pectinadas, tortuosamente atenuadas en el ápice; hojas 15-80 cm, ligeramente dimorfas; pecíolo y raquis teretes o aplanados adaxialmente, no flexuosos, pajizos a pardo claro, frecuentemente se oscurecen algo con la edad, generalmente puberulentos, opacos, el pecíolo deciduamente escamoso cerca de la base; lámina ovada a ovado-triangular, 2(-3)-pinnada; pínnulas (0.4-)0.7-4 cm, pediculadas, ovado-triangulares a sagitadas, glabras o puberulentas en el envés, el pedículo hasta 9 mm; pínnulas fértiles ligeramente más angostas que las pínnulas estériles; esporas 32 por esporangio. Grietas de afloramientos rocosos en pendientes pronunciadas y taludes de los caminos. Ch (Breedlove 40463, MO); G (Skutch 805, GH). 1700-2700 m. (NO. México a Guatemala, Colombia, Ecuador, Perú, Bolivia.)

Pellaea sagittata es un triploide apogámico con 2n=87, como lo verifican recuentos de México (Tryon y Britton, 1958). Véase la discusión de P. cordifolia para la comparación con esta especie.

  • Provided by: [B].Flora Mesoamericana
    • Source: [
    • 3
    • 1
    • 2
    • ]. 

    Rhizome short, stout, compact; rhizome scales 3-4 mm long, 0.5-0.8 mm wide, light brown, concolorous, dull, linear-lanceolate to lanceolate, irregularly denticulate; fronds to 80 cm long, erect; stipe the frond length, nearly terete to plane on upper surface, stramineous, with narrow orange scales toward the base, otherwise glabrous or rarely sparsely puberulous, rachis straight; blade narrowly oblong to deflate, pinnate to bipinnate, light green, yellow-green to gray-green; pinnae widely spreading to slightly ascending, entire to pinnate, segments short-stalked, 20-28 mm long, 8-14 mm wide at base, lanceolate or sagittate, entire, cordate at base, apex acute, subcoriaceous, glabrous to sparsely pubescent at pinna base with scattered hairs and scales, terminal pinnule of pinnae with strongly inequilateral base (1-1.5 mm difference); veins evident, free; margin recurved with whitened cells on recurved portion, indusium well-differentiated, 0.3-0.5 mm wide, papillate; spores brown.

  • Provided by: [C].Memoirs of the New York Botanical Garden
    • Source: [
    • 4
    • ]. 

    Rhizomes short, stout, compact; rhizome scales 3–4 x 0.5–0.8 mm, straight, light brown, concolorous, dull, linear-lanceolate to lanceolate, irregularly denticulate; fronds to 80 cm long, erect; stipes 1/4–1/2 the frond length, nearly terete to plane on adaxially, stramineous, with narrow orange scales toward the base, otherwise glabrous or rarely sparsely puberulous, rachises straight; blades narrowly oblong to deltate, 1–2-pinnate, light green, yellow-green to gray-green; pinnae widely spreading to slightly ascending, entire to pinnate, segments short-stalked, 20–28 x 8–14 mm at base, narrowly deltate to sagittate, entire, cordate at bases, apices acute, subcoriaceous, glabrous to sparsely pubescent at pinna bases with scattered hairs and scales, terminal pinnule of each pinnae with strongly inequilateral base (1–1.5 mm difference); margins recurved, glabrous, with whitened cells on recurved portion, indusia well differentiated, 0.3–0.5 mm wide, papillate; spores brown; n =2n=87, apogamous (Mich).

  • Provided by: [C].Memoirs of the New York Botanical Garden
    • Source: [
    • 5
    • ]. 

    Distribution

    Rocky slopes in pine-oak woods; Centro, Etla, Ixtlán, Mixe, Pochutla, Sola de Vega, Teposcolula, Tlacolula, Tlaxiaco; 1350-2500 m. Mexico (Chih, Zac, Jal, Mich, Mex, DF, Mor, Tlax, SLP, Hgo, Pue, Oax, Chis); US (Tex); Guat to Pan; Col to Bol.

  • Provided by: [C].Memoirs of the New York Botanical Garden
    • Source: [
    • 4
    • ]. 

    Rocky slopes in pine-oak woods; 1350–3050 m. USA (Tex); Mexico, Guat, Pan; Col, Ec, Peru, Bol.

  • Provided by: [C].Memoirs of the New York Botanical Garden
    • Source: [
    • 5
    • ]. 

     Information From

    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • A Missouri Botanical Garden
    Flora Mesoamericana
    http://www.mobot.org/MOBOT/fm/
    Gerrit Davidse, Mario Sousa Sánchez, A. O. Chater, Universidad Nacional Autónoma de México. Instituto de Biología, Missouri Botanical Garden, Natural History Museum (London, England) UNAM, 1994
    • B Missouri Botanical Garden
    Memoirs of the New York Botanical Garden
    https://www.nybg.org/
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Pteridaceae
    http://www.worldfloraonline.org/organisation/Pteridaceae
    World Flora Online Data. 2022.
    • D CC0 1.0 Universal (CC0 1.0).