37:
241:, and have no hairs or scales except at the very base. They range from 1 to 12 centimetres (0.39 to 4.72 in) long and 0.3 to 0.6 millimetres (0.01 to 0.02 in) wide, and typically make up one-half to two-thirds of the total length of the frond.
256:(leaf axis) is green beneath, sometimes with streaks of purple at the base, smooth, and has small wings on the upper side, from 0.1 to 0.2 millimetres (0.004 to 0.008 in) wide.
229:(underground stem). The rhizome bears narrow, blackish scales, 1 to 2 millimetres (0.04 to 0.08 in) long and 0.1 to 0.2 millimetres (0.004 to 0.008 in) wide, which are
237:(the stalk of the leaf, below the blade), 7 to 20 centimetres (2.8 to 7.9 in) long. The stipes are dark purple in color at the base, becoming green towards the blade, lack
329:
185:
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282:
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2 to 5 millimetres (0.08 to 0.2 in) long and 0.5 to 0.8 millimetres (0.02 to 0.03 in) wide, with jagged margins. The spores are kidney-shaped.
349:
160:
356:
in reference to the unclear and mysterious relationship between this species and other spleenworts; it is roughly intermediate in form between
249:
Each leaf bears from one to five pairs of pinnae (the first subdivisions of the leaf). The pair closest to the base is the largest.
624:
536:
650:
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384:
238:
233:(bear a lattice-like pattern) and have untoothed margins. The fronds grow in clumps and are, including the
230:
753:
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531:. Memoirs of the New York Botanical Garden. Vol. 88. Bronx, New York: New York Botanical Garden.
36:
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748:
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383:, at altitudes from 200 to 700 metres (700 to 2,000 ft). It has also been collected at
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by the deeply cut and toothed pinnae and pinnules (rather than rounded and lobed).
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by the enlargement of the side of the lowest pinna towards the leaf base, and from
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per pinnule on both sides of the costule (pinnule midvein). They are covered by
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by the dark purple (rather than green) color at the base of its stipe, from
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629:
642:
364:, but has well-formed spores, so it is not a first-generation hybrid.
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by the lack of long whitish hairs both above and below the leaf, from
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Specimens have in the past been identified as, or thought similar to,
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121:
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702:
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503:"Specimen of Asplenium arcanum A. R. Sm. recorded on Sep 20, 1981"
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grows on stream banks and on wooded hillsides in the states of
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in 2004 based on material from
Nayarit. He gave it the epithet
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420:. Saint Louis, Missouri: Missouri Botanical Garden
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264:Fertile fronds bear from one to three pairs of
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489:
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328:Material of this species was described by
527:Mickel, John T.; Smith, Alan R. (2004).
390:
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402:
348:. It was described as a species by
332:in 1894 as a deeply cut variety of
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13:
695:urn:lsid:ipni.org:names:77094922-1
275:
259:
14:
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546:
340:, based on material collected in
225:has fibrous roots and an upright
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520:
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212:
201:is a fern known from western
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385:Apoyo Lagoon Natural Reserve
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529:The Pteridophytes of Mexico
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10:
770:
571:
555:from JSTOR Global Plants.
468:, pp. 74, 76, 82–83.
244:
174:
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150:
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32:Scientific classification
30:
23:
368:Distribution and habitat
490:Mickel & Smith 2004
478:Mickel & Smith 2004
466:Mickel & Smith 2004
454:Mickel & Smith 2004
391:Notes and references
330:George E. Davenport
754:Flora of Nicaragua
358:A. tenerrimum
314:A. tenerrimum
304:. It differs from
301:A. tenerrimum
731:
730:
664:Open Tree of Life
603:Asplenium arcanum
573:Asplenium arcanum
565:Taxon identifiers
538:978-0-89327-488-7
412:Asplenium arcanum
373:Asplenium arcanum
223:Asplenium arcanum
198:Asplenium arcanum
194:
193:
188:
178:Asplenium pumilum
154:Asplenium arcanum
25:Asplenium arcanum
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306:A. fragrans
283:A. fragrans
218:Roots and stipes
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749:Ferns of Mexico
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414:Baker synonyms"
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362:A. pumilum
334:A. pumilum
326:
318:A. minimum
310:A. pumilum
295:A. pumilum
289:A. minimum
278:
276:Similar species
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260:Sori and spores
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136:A. arcanum
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16:Species of fern
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721:wfo-0001240213
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547:External links
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72:Polypodiophyta
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145:Binomial name
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62:Tracheophytes
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682:tro-50106525
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506:. Retrieved
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112:Aspleniaceae
102:Aspleniineae
92:Polypodiales
55:
24:
18:
638:iNaturalist
597:Wikispecies
521:Works cited
213:Description
738:Categories
677:Plant List
656:77094922-1
396:References
338:laciniatum
182:laciniatum
180:var.
98:Suborder:
68:Division:
744:Asplenium
588:Q15609551
231:clathrate
207:Nicaragua
130:Species:
123:Asplenium
45:Kingdom:
708:50106525
703:Tropicos
582:Wikidata
553:Holotype
418:Tropicos
410:"Name -
324:Taxonomy
169:Synonyms
108:Family:
669:6008561
630:4257058
508:July 1,
424:July 1,
381:Sinaloa
377:Nayarit
354:arcanum
346:Pringle
342:Jalisco
270:indusia
227:rhizome
186:Davenp.
161:A.R.Sm.
118:Genus:
88:Order:
78:Class:
49:Plantae
643:282619
535:
298:, and
254:rachis
245:Leaves
203:Mexico
617:5VV6S
239:wings
235:stipe
56:Clade
690:POWO
651:IPNI
625:GBIF
533:ISBN
510:2016
426:2016
379:and
360:and
266:sori
252:The
205:and
716:WFO
612:CoL
344:by
740::
718::
705::
692::
679::
666::
653::
640::
627::
614::
599::
584::
434:^
416:.
292:,
286:,
209:.
58::
541:.
512:.
428:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
