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California Polypody

Polypodium californicum Kaulf.

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Comments

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R. M. Lloyd and F. A. Lang (1964) recognized two cytotypes within Polypodium californicum . The tetraploid has proved to be an allopolyploid involving P . californicum and P . glycyrrhiza and is treated here as a separate species, P . calirhiza , following S. A. Whitmore and A. R. Smith (1991). Polypodium californicum can be confused with P . calirhiza , but it usually can be distinguished by blade shape, venation, spore size, and geographic distribution. D. S. Barrington et al. (1986) reported that spores of northern populations of P . californicum can be as large as those of P . calirhiza , but the former species has veins forming more areoles per segment than does the latter.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 2 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description

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Stems dull or inconspicuously glaucous, moderately stout, to 10 mm diam., acrid or bland-tasting; scales uniformly brown or slightly darker near point of attachment, lanceolate-ovate, symmetric, margins entire to erose. Leaves to 70 cm. Petiole usually slender, to 3 mm diam. Blade deltate to lanceolate-ovate, pinnatifid, usually widest near base, to 20 cm wide, leathery to herbaceous; rachis sparsely scaly to glabrescent abaxially, puberulent adaxially; scales deltate to ovate, usually more than 10 cells wide. Segments linear-lanceolate to oblong, usually less than 15 mm wide; margins serrate; apex widely obtuse to rarely attenuate; midrib puberulent adaxially. Venation weakly to conspicuously anastomosing, most segments containing several areoles, often forming 1 row. Sori midway between margin and midrib or slightly closer to midrib, usually less than 3 mm diam., oval when immature. Sporangiasters absent. Spores less than 58 µm, verrucose, with surface projections to 3 µm. 2 n = 74.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 2 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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Habitat & Distribution

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Sporulating early winter--spring. Cliffs and soil on rocky slopes; on a variety of substrates but usually igneous; 0--1500 m.; Calif.; Mexico in Baja California.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 2 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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Synonym

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Polypodium californicum var. kaulfussii D. C. Eaton; P. vulgare Linnaeus subsp. californicum (Kaulfuss) Hultén; P. vulgare var. kaulfussii (D. C. Eaton) Fernald
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 2 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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Polypodium californicum

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Polypodium californicum is a species of fern known by the common name California polypody.

It is native to Baja California and California, where it grows along the coastline as well as in moist spots in coastal foothills and mountain ranges in the southern part of its distribution.

Description

This polypody anchors with a scaly rhizome. It produces oval to triangular leaves up to 70 centimetres (28 in) in length and 20 centimetres (7.9 in) in width. Each leaf is made up of many dull-pointed lance-shaped segments which may be thin or firm or somewhat fleshy, and have lightly serrated edges. The underside of each leaf segment is lined with a double row of flattened or sunken sori, which contain the spores.

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Polypodium californicum: Brief Summary

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Polypodium californicum is a species of fern known by the common name California polypody.

It is native to Baja California and California, where it grows along the coastline as well as in moist spots in coastal foothills and mountain ranges in the southern part of its distribution.

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Polypodium californicum ( Spanish; Castilian )

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El polipodio de California (Polypodium californicum) es una especie de helecho de la familia Polypodiaceae.

Descripción

Este helecho epífito perennifolio es nativo de California y crece en camas de roca en suelo rico en humus. Las frondes, que brotan de unos rizomas rastreros bajos, alcanzan alturas de 30 cm y están profundamente hendidas. Este helecho se cultiva en grietas rocosas llenas de humus y agua durante las épocas secas.

Taxonomía

Polypodium californicum fue descrita por Georg Friedrich Kaulfuss y publicado en Enumeratio Filicum 102. 1824.[1]​[2]​

Referencias

  1. ↑ «Polypodium californicum». Tropicos.org. Missouri Botanical Garden. Consultado el 4 de junio de 2012.
  2. ↑ Polypodium californicum en PlantList

Bibliografía

  1. Abrams, L. 1923. Ferns to Birthworts. 1: 1–557. In L. Abrams Ill. Fl. Pacific States. Stanford University Press, Stanford.
  2. CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.
  3. Flora of North America Editorial Committee, e. 1993. Pteridophytes and Gymnosperms. 2: i–xvi, 1–475. In Fl. N. Amer.. Oxford University Press, New York.
  4. Lellinger, D. B. 1985. A Field Manual of the Ferns and Fern Allies of the United States and Canada. 389 pp.
  5. Mickel, J. T. & A. R. Smith. 2004. The Pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1–1054.
  6. Mickel, J. T. & J. M. Beitel. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46: 1–568.
  7. Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.

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Polypodium californicum: Brief Summary ( Spanish; Castilian )

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El polipodio de California (Polypodium californicum) es una especie de helecho de la familia Polypodiaceae.

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Polypodium californicum ( Vietnamese )

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Polypodium californicum là một loài thực vật có mạch trong họ Polypodiaceae. Loài này được Kaulf. miêu tả khoa học đầu tiên năm 1824.[1]

Hình ảnh

  • Polypodiumcalifornicum.jpg
  • Polypodiumcalifornicum1.jpg

Chú thích

  1. ^ The Plant List (2010). “Polypodium californicum”. Truy cập ngày 3 tháng 6 năm 2013.

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Polypodium californicum: Brief Summary ( Vietnamese )

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Polypodium californicum là một loài thực vật có mạch trong họ Polypodiaceae. Loài này được Kaulf. miêu tả khoa học đầu tiên năm 1824.

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