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Cheilanthes intertexta (Maxon) Maxon
COASTAL LIPFERN
Life   Plantae   Pteridophyta   Pteridaceae   Cheilanthes

Cheilanthes intertexta, abaxail leaf
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, abaxail leaf

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Cheilanthes intertexta, abaxial
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, abaxial
Cheilanthes intertexta, entire
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, entire

Cheilanthes intertexta, lower surface
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, lower surface
Cheilanthes intertexta, rhizome
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, rhizome

Cheilanthes intertexta, adaxail leaf
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, adaxail leaf
Cheilanthes intertexta, sporangia
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, sporangia

Cheilanthes intertexta, unopened
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, unopened
Cheilanthes intertexta, upper surface
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, upper surface

Cheilanthes intertexta, adaxail leaf
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, adaxail leaf
Cheilanthes intertexta, adaxial
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, adaxial

Cheilanthes intertexta, entire
© George Yatskievych, 2006-2011 · 1
Cheilanthes intertexta, entire
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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=CHIN ---> https://plants.usda.gov/java/profile?symbol=CHIN
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=CHIN

Following modified from Flora of North America
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FNA | Family List | FNA Vol. 2 | Pteridaceae | Cheilanthes

9. Cheilanthes intertexta (Maxon) Maxon in Abrams, Ill. Fl. Pacific States. 1: 28. 1923.

Coastal lip fern

Cheilanthes covillei Maxon subsp. intertexta Maxon, Proc. Biol. Soc. Wash. 31: 149. 1918

Stems short-creeping, usually 3--7 mm diam.; scales usually bicolored, with broad, well-defined, dark, central stripe and narrow, light brown margins, linear-lanceolate, straight to slightly contorted, strongly appressed, persistent. Leaves clustered, 4--25 cm; vernation noncircinate. Petiole dark brown, rounded adaxially. Blade lanceolate to ovate-deltate, usually 3-pinnate at base, 1--4 cm wide; rachis rounded adaxially, with scattered scales and sparse monomorphic pubescence. Pinnae not articulate, dark color of stalk continuing into pinna base, basal pair not conspicuously larger than adjacent pair, usually equilateral, appearing glabrous to sparsely pubescent adaxially. Costae green adaxially for most of length; abaxial scales multiseriate, ovate-lanceolate, deeply cordate at base, with overlapping basal lobes, conspicuous, the longest 0.4--1 mm wide, imbricate, often concealing ultimate segments, long-ciliate, cilia usually confined to proximal 1/2. Ultimate segments oblong to ovate, beadlike, the largest 1--3 mm, abaxially densely covered with branched hairs and small, ciliate scales, adaxially with scattered branched hairs or glabrescent. False indusia marginal, weakly differentiated, 0.05--0.25 mm wide. Sori ± continuous around segment margins. Sporangia containing 64 spores.

Sporulating late spring--fall. Rocky slopes and ledges, usually on igneous substrates; 500--2800 m; Calif., Nev., Oreg.

Preliminary isozyme analyses support D. B. Lellinger's (1985) suggestion that Cheilanthes intertexta is a fertile allotetraploid hybrid between C . gracillima and C . covillei . It is morphologically most similar to the latter parent (see comments under C . covillei ), but it is occasionally confused with C . gracillima , with which it apparently hybridizes to form sterile intermediates that have been called C . gracillima var. aberrans M. E. Jones. Cheilanthes intertexta may also be confused with C . clevelandii , with which it is partially sympatric. In addition to the characters given in the key, C . intertexta is distinguished from closely related sexual species by having larger spores averaging more than 55 µm in diameter.

Following modified from CalPhotos
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CalPhotos     Photo Database

 

Number of matches : 4
Query: SELECT * FROM img WHERE ready=1 and taxon like "Cheilanthes intertexta%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Cheilanthes intertexta
Cheilanthes intertexta
Coastal Lip Fern
ID: 0000 0000 1201 0260 [detail]
© 1993 Lee Dittmann

Cheilanthes intertexta
Cheilanthes intertexta
Coastal Lip Fern
ID: 0000 0000 1201 0261 [detail]
© 1993 Lee Dittmann

Cheilanthes intertexta
Cheilanthes intertexta
Coastal Lip Fern
ID: 0000 0000 0312 1170 [detail]
© 2012 Jake Ruygt

Cheilanthes intertexta
Cheilanthes intertexta
Coastal Lip Fern
ID: 0000 0000 0312 1171 [detail]
© 2012 Jake Ruygt

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