33:
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306:
hidden in the rock fissure. From this it sends out a shoot each year which withers away in the autumn. The shoot leaves a scar on the tuber, which makes it possible to estimate the age of the plant from the number of scars; the oldest plants are calculated to have lived for three hundred years, and
235:
was discovered in the 1950s growing in cracks in a limestone cliff in the
Pyrenees Mountains in northeastern Spain. The fissures in which it lives are so inaccessible that it proved difficult to estimate the number of plants. At first it was thought that there were some 300 to 500 plants scattered
311:. When fertilised, the flower-stem bends over to bury the resulting seedhead in the crack, the seeds being released when it dries. This would limit dispersal possibilities for the plant were it not for the fact that the seeds are transported by ants, which distribute them more widely.
334:, which has a rather wider distribution in the Pyrenees. The former grows in vertical cracks on shaded, north-facing limestone cliffs at between 730 and 850 m (2,400 and 2,800 ft) while the latter grows on limestone screes at over 1,800 m (5,900 ft).
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may be contenders for being the "slowest growing plants in the world". The plant reproduces by seed, pollination having been performed by
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401:'. Although its range is extremely small, the population of this plant seems stable, however, and there is no particular reason why
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528:"Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora"
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sites designated for its protection. The EU has since also officially classified this plant as '
248:, individual plants could be monitored, and a total figure of around 9,000 plants was reached.
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are strictly tropical species, this plant is considered to be what is known as a "
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is morphologically very similar to another relict species,
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across the rock face, but later, with the erection of some
377:, which means areas in which it occurs could be declared
389:
listed in Annex I of the directive. Pursuantly in the
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in Africa and South
America also had wingless seeds.
460:"Secrets of some of the Pyrenees' threatened plants"
275:
on the basis of the seeds lacking the wings of most
816:
591:
322:"; a remnant from the warmer temperatures of the
279:, although it was pointed out by 2001 that other
488:Mayol, Maria & Rossello, Josep A. (2001).
8:
498:(Dioscoreaceae), two relict endangered taxa"
483:
481:
385:these areas belong to one of the number of
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31:
20:
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451:
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354:should be considered separate species.
1010:Endemic flora of the Iberian Peninsula
393:, it is now protected by having seven
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561:European Nature Information System
14:
215:to a single cliff located in the
951:urn:lsid:ipni.org:names:317597-1
780:urn:lsid:ipni.org:names:317804-1
502:Israel Journal of Plant Sciences
265:, along with its close relative
44:
490:"RAPD differentiation between
259:was originally separated from
231:A previously unknown species,
183:(Gaussen) Gaussen & Heslot
1:
379:Special Areas of Conservation
405:should affect it adversely.
514:10.1560/3DM5-RVGT-VHKD-D5JA
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16:Species of herbaceous vine
462:. Lychnos. Archived from
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170:
155:
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41:Scientific classification
39:
30:
23:
1015:Plants described in 1952
338:strongly suggests that
1005:Endemic flora of Spain
458:García, María Begoña.
283:species recognised as
399:critically endangered
623:Dioscorea chouardii
593:Dioscorea chouardii
466:on 10 February 2020
425:Dioscorea chouardii
362:In 1992, under the
358:Conservation status
328:Dioscorea chouardii
296:Dioscorea chouardii
257:Dioscorea chouardii
233:Dioscorea chouardii
193:Dioscorea chouardii
159:Dioscorea chouardii
25:Dioscorea chouardii
818:Borderea chouardii
555:Borderea chouardii
492:Borderea pyrenaica
375:European Community
371:Habitats Directive
367:Borderea chouardii
298:is related to the
198:Borderea chouardii
180:Borderea chouardii
987:
986:
749:Open Tree of Life
585:Taxon identifiers
557:(Gaussen) Heslot"
350:and that the two
302:and grows from a
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141:D. chouardii
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508:(4): 259–268.
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431:The Plant List
413:
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403:climate change
391:European Union
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320:relict species
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221:Aragon, Spain
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209:Dioscoreaceae
207:
204:plant in the
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150:Binomial name
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117:Dioscoreaceae
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19:
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592:
565:. Retrieved
560:
554:
547:
537:23 September
535:. Retrieved
531:
522:
505:
501:
496:B. chouardii
495:
491:
468:. Retrieved
464:the original
434:. Retrieved
430:
424:
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348:D. pyrenaica
347:
339:
336:RAPD testing
332:D. pyrenaica
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268:D. pyrenaica
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140:
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107:Dioscoreales
90:
77:
64:
24:
18:
894:iNaturalist
697:iNaturalist
617:Wikispecies
395:Natura 2000
340:D chouardii
238:scaffolding
84:Angiosperms
994:Categories
767:kew-239968
762:Plant List
409:References
342:is not an
246:telescopes
242:binoculars
202:herbaceous
196:(synonym:
1000:Dioscorea
964:100154549
833:Q20106067
793:100181357
608:Q15561465
316:Dioscorea
285:Dioscorea
277:Dioscorea
262:Dioscorea
135:Species:
128:Dioscorea
54:Kingdom:
959:Tropicos
912:317597-1
827:Wikidata
788:Tropicos
715:317804-1
602:Wikidata
427:Gaussen"
387:habitats
273:Borderea
252:Taxonomy
217:Pyrenees
211:. It is
172:Synonyms
113:Family:
97:Monocots
886:2754400
689:2754399
650:1121117
532:Eur-Lex
373:in the
364:synonym
344:ecotype
291:Ecology
227:History
213:endemic
200:) is a
165:Gaussen
123:Genus:
103:Order:
58:Plantae
938:115569
925:162110
899:180213
873:186350
847:660324
754:674087
741:197134
702:742004
676:186352
567:21 May
470:21 May
436:21 May
324:Eocene
281:alpine
206:family
868:EUNIS
671:EUNIS
663:DIUCH
637:36CHH
563:. EEA
304:tuber
91:Clade
78:Clade
65:Clade
946:POWO
920:IUCN
907:IPNI
881:GBIF
860:MJL4
842:BOLD
775:POWO
736:NCBI
710:IPNI
684:GBIF
658:EPPO
569:2019
539:2020
494:and
472:2019
438:2019
352:taxa
309:ants
244:and
972:WFO
855:CoL
801:WFO
723:NBN
645:EoL
632:CoL
510:doi
346:of
300:yam
219:of
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506:49
504:.
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480:^
446:^
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383:if
381:,
326:.
223:.
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571:.
553:"
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474:.
440:.
423:"
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
