65:
42:
367:. The linear sequence of Christenhusz et al. (2011), intended for compatibility with the classification of Chase and Reveal (2009) which placed all land plants in Equisetopsida, made it a member of subclass
371:, equivalent to Smith's Psilotopsida. The placement of Psilotales in subclass Ophioglossidae has subsequently been followed in the classifications of Christenhusz and Chase (2014) and PPG I (2016).
302:
which have no vascular tissue except for a small bundle at the base. These are almost peg-like, stubby and are generally not considered true leaves, though they likely evolved from them. Members of
287:
of
Psilotaceae are located in this rhizome system, and they aid in a plant's nutrient absorption through the soil. This is primarily achieved through
884:
378:
has been placed in its own family, Tmesipteridaceae, but this has not been maintained in the system of Smith et al. and later classifications.
910:
351:
In the molecular phylogenetic classification of Smith et al. in 2006, Psilotales, containing the single family
Psilotaceae comprising
832:
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Smith, Alan R.; Pryer, Kathleen M.; Schuettpelz, Eric; Korall, Petra; Schneider, Harald; Wolf, Paul G. (August 2006).
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319:
of
Psilotaceae are fused together into small and distinctive yellow balls called synangia (shown in the picture of
915:
871:
964:
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252:, consists of small shrubby plants of the dry tropics commonly known as "whisk ferns". The other genus,
396:
64:
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above). These synangia are located off the stems of the plants. They contain two sporangia each in
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without any true roots. Rather, the plants are anchored by an underground system of
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Psilotaceae do not have leaves. Some species have leaf-like structures called
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269:
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645:
K. U. Kramer (1990). "Psilotaceae". In Kramer, K. U.; Green, P. S. (eds.).
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364:
858:
716:
613:
514:"A linear sequence of extant families and genera of lycophytes and ferns"
397:"The number of known plants species in the world and its annual increase"
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304:
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284:
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565:"A phylogenetic classification of the land plants to accompany APG III"
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433:"A community-derived classification for extant lycophytes and ferns"
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Christenhusz, Maarten J. M.; Chase, Mark W. (13 February 2014).
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Once thought to be descendants of early vascular plants (the
76:
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109:
99:
41:
512:; Zhang, Xian-Chun; Schneider, Harald (18 February 2011).
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with about a dozen species. It is the only family in the
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502:
228:
have been shown by molecular phylogenetics to be ferns (
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499:
649:. Vol. I. Berlin: Springer Verlag. p. 22.
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431:The Pteridophyte Phylogeny Group (November 2016).
595:
395:Christenhusz, M. J. M. & Byng, J. W. (2016).
189:(class Polypodiopsida) consisting of two genera,
1018:
308:may appear to have leaves, but these are really
457:
644:
598:"Trends and concepts in fern classification"
555:
647:The Families and Genera of Vascular Plants
40:
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580:
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412:
569:Botanical Journal of the Linnean Society
14:
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327:species, and three sporangia each in
991:56a5622e-6a38-4876-97a8-ba62e15ff6ec
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773:47df0e0d-ee40-4ebc-a6ab-31dd6f30dea2
437:Journal of Systematics and Evolution
466:"A classification for extant ferns"
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291:feeding on organic soil matter and
24:
965:urn:lsid:ipni.org:names:30213386-2
236:. The family contains two genera,
25:
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667:
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582:10.1111/j.1095-8339.2009.01002.x
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275:All members of Psilotaceae are
674:Introduction to the Psilotales
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549:
407:(3). Magnolia Press: 201–217.
211:
13:
1:
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232:), and a sister group of the
359:, was placed with the order
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510:Christenhusz, Maarten J. M.
10:
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414:10.11646/phytotaxa.261.3.1
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535:10.11646/phytotaxa.19.1.2
335:nourishes the developing
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155:
60:Scientific classification
58:
48:
39:
34:
150:J.W. Griff. & Henfr.
283:. The small, stem-like
312:, or flattened stems.
947:Paleobiology Database
770:Euro+Med PlantBase:
341:eusporangiate ferns
339:, as is typical of
248:. The first genus,
614:10.1093/aob/mct299
343:like Psilotaceae.
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934:Open Tree of Life
685:Taxon identifiers
450:10.1111/jse.12229
331:species. A thick
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563:(October 2009).
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27:Family of ferns
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668:External links
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608:(4): 571–594.
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575:(2): 122–127.
557:Chase, Mark W.
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479:(3): 705–731.
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443:(6): 563–603.
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369:Ophioglossidae
361:Ophioglossales
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347:Classification
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295:interactions.
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859:iNaturalist
812:Psilotaceae
723:Psilotaceae
717:Wikispecies
693:Psilotaceae
543:10138/28042
376:Tmesipteris
357:Tmesipteris
325:Tmesipteris
305:Tmesipteris
293:mycorrhizal
266:New Zealand
254:Tmesipteris
245:Tmesipteris
226:Psilotaceae
212:Description
198:Tmesipteris
183:Psilotaceae
172:Tmesipteris
146:Psilotaceae
49:Closeup of
1021:Categories
877:30213386-2
382:References
218:Psilophyta
206:Psilotales
130:Psilotales
116:Subclass:
96:Division:
18:Psilotales
781:FloraBase
522:Phytotaxa
401:Phytotaxa
317:sporangia
262:Australia
260:found in
224:period),
73:Kingdom:
986:VicFlora
978:42000408
973:Tropicos
702:Wikidata
632:24532607
529:: 7–54.
493:25065646
353:Psilotum
329:Psilotum
321:P. nudum
300:enations
281:rhizomes
258:epiphyte
256:, is an
250:Psilotum
239:Psilotum
222:Devonian
192:Psilotum
165:Psilotum
142:Family:
708:Q500230
623:3936591
333:tapetum
220:of the
156:Genera
126:Order:
106:Class:
77:Plantae
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923:NZOR:
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337:spores
268:, and
135:Prantl
952:54751
903:17005
885:IRMNG
864:64670
825:10738
807:FoAO2
799:10738
786:22928
763:1PSIF
517:(PDF)
489:JSTOR
473:Taxon
469:(PDF)
203:order
187:ferns
84:Clade
960:POWO
916:3238
911:NCBI
898:ITIS
872:IPNI
851:1213
846:GRIN
838:6630
833:GBIF
758:EPPO
750:4493
651:ISBN
628:PMID
355:and
315:The
242:and
195:and
999:WFO
820:FoC
794:FNA
745:EoL
737:FB8
732:CoL
618:PMC
610:doi
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539:hdl
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
