44:
86:
848:
63:
674:
does not produce emergent leaves or flowers in a given year. To complicate matters further, the plant can only be identified conclusively in its flowering stage, and yet, even when the plant leafs out, it may not necessarily produce a flower in a given year. Furthermore, by the time a flower is
640:, has been designated as a species meriting protection by the U.S. Government, State of California, local governments and private conservation groups. These designations have led to blueprints for protection of Yadon's piperia in the form of official endangerment classifications and a species
299:
may lie dormant in a given year and not emerge above the soil surface from its tuberous substructure. After leafing out in the spring, it will produce flowers on erect spikes, each flower possessing both green and white petals. It prefers sandy soils, and subsists on
384:
is borne on a single erect vertical spike varying from 12 to 55 centimeters in height. Each flower has a spur of length 1.5 to 5 millimeters, short compared to other members of the genus. Yadon's
Piperia typically presents three upper
492:’s Blohm Ranch Nature Preserve. Each colony is rather small in patch size, measured on the order of twenty acres or less. All of the occurrences are below about 250 meters above mean sea level and all are within six miles of the
602:. Species with more northern ranges often reach their southern limits on the Peninsula; species with more southern affinities reach their northern limits there as well. On the Monterey Peninsula some taxa comprising habitat for
659:, which found the colony in the Del Monte forest to be threatened by proposed land development. Subsequently, in 1995 the U.S. Fish and Wildlife Service acted on this new information regarding Yadon's piperia, and promulgated a
373:. The rhizome extracts nutrients from fungal intermediates and may also store some of these nutrients. A basal rosette of leaves develops from the tuber at the surface of the soil, each of the two or three leaves being
456:. The resulting seedlings obtain fixed carbon from the fungus until they produce their first leaves and begin to photosynthesize. This strategy is known as myco-heterotrophy. Vegetative reproduction may also occur.
1447:
377:
in shape. Each leaf ranges from 10 to 15 centimeters in length and 20 to 35 millimeters in width. Leaves of younger plants are often more diminutive in size.
1427:
1282:
389:, each of which contains both green and white pigmentation; moreover, there are three lower tepals that are white only. The earliest blooming time is June. When
1442:
1230:
974:
1295:
1243:
1039:
987:
733:
645:
1347:
1457:
1432:
892:
738:
Endangered and threatened wildlife and plants: Final rule listing five plants from
Monterey County, California as endangered or threatened
448:
Seeds of this species, like other orchids, lack an endosperm. The extremely small seeds must come in contact with appropriate soil
629:
period, but then retreated to small pockets of cooler and wetter conditions along the coast ranges during the hotter, drier early
641:
1269:
1194:
1013:
900:
579:
is a primary source of moisture for Yadon's
Piperia and other plants that would otherwise not be able to persist with such low
70:
1437:
404:'s leaves usually wither by blooming time, except for a small percentage of very large individuals. The geographic range of
292:, is the subject of a federal lawsuit, based upon endangerment of this organism along with several other endangered species.
1300:
1044:
488:. Specific places of occurrence within those areas are the S.F.B. Morse Botanical Reserve; Manzanita County Park; and the
637:
481:
356:
655:
The listing as a federally endangered species occurred in 1998, prompted by a study conducted by Earth
Metrics for the
1026:
580:
269:
85:
1360:
1091:
700:
649:
539:
1096:
858:
679:; thus, a survey conducted during the flowering season will miss plants that have leafed out but not flowered.
1365:
952:
852:
695:
1222:
1217:
1173:
914:
528:
519:
1248:
992:
884:
594:
was named for Vern Yadon, former longtime director of the
Pacific Grove Museum of Natural History. The
199:
1452:
656:
549:
289:
833:, Earth Metrics Inc. Prepared for the city of Monterey and State of California Clearinghouse (1992)
689:
513:
52:
1313:
1399:
1130:
720:
595:
553:) forest. The colonies in woodland settings are found under partial canopy in an open, primarily
489:
473:
339:
273:
221:
80:
1352:
43:
1287:
1321:
1181:
1065:
1057:
961:
599:
598:, where all colonies of Yadon's piperia occur, is recognized to have a high degree of species
281:
1326:
1070:
817:
741:
676:
618:
544:
469:
359:
285:
876:
648:. Even with all these efforts, the total current population is not necessarily above the
572:
465:
327:
123:
805:
Notice of
Availability of a Draft Recovery Plan for Five Plants From Monterey County, CA
1339:
1334:
1083:
1078:
831:
Environmental Impact Report for the Pebble Beach
Properties project by Del Monte Forest
564:
534:
349:
280:
government, the major threat to its survival being continuing land development from an
110:
1421:
1052:
660:
622:
500:
493:
397:
381:
277:
136:
17:
1404:
1186:
1135:
966:
867:
607:
464:
Yadon's piperia is confined to a handful of locations in the coastal area of north
166:
1199:
1378:
1109:
937:
1308:
1256:
1000:
946:
626:
453:
176:
146:
1162:
847:
518:) which includes more than 80 percent of the known populations; (b) California
667:
557:
554:
374:
296:
636:
Yadon's piperia, along with certain other threatened species in the northern
393:
blooms, as late as August, all of its sepals and petals may be purely white.
1031:
614:
568:
523:
477:
429:
1391:
1122:
396:
Another key identification feature is the characteristically abbreviated
365:
The subsurface architecture of this terrestrial wild orchid consists of a
334:; manifests a fruit capsule bearing numerous minute seeds; (b) exhibits
1386:
1156:
1117:
931:
807:, Federal Register: May 13, 2002, Volume 67, Number 92, Pages 32003–32004
765:, Hickman, JC, ed., University of California Press, Berkeley, Ca. (1993)
630:
576:
324:
308:
301:
284:
and associated habitat loss. One of the habitats of Yadon's piperia, the
258:
1209:
1235:
979:
485:
400:, which typically measures 1.5 to 6.0 millimeters in length.
366:
265:
1005:
563:
The
Monterey Peninsula and northern Big Sur areas are influenced by a
1261:
777:
508:
449:
342:
335:
305:
255:
156:
1018:
908:
1373:
1274:
1104:
671:
575:. Rainfall is 40 to 50 centimeters per year, but summer
386:
370:
345:
331:
262:
97:
610:
499:
Yadon's piperia is generally restricted to three habitats: (a)
428:
is clearly distinguished from them only in the flowering stage.
912:
820:: August 2, 1995 (Volume 60, Number 148, Pages 39326–39337)
621:
stands, e.g. species that once extended more widely in the
782:, H. Synge, John Wiley & Sons. Ltd: 281–295 (1981)
1146:
921:
893:U.S. Fish and Wildlife Service species profile for
780:: The biological aspects of rare plant conservation
753:Morgan & Ackerman, Lindleyana 5:205–211 (1990)
480:Hills; and an isolated southernmost population on
793:Reconsidering the Conservation of Monterey Pine
1448:Natural history of Monterey County, California
885:U.S.EPA endangered species listing detail for
763:The Jepson manual: higher plants of California
670:of Yadon's piperia is challenging since each
8:
633:period between 6000 and 2000 BC.
272:. In 1998 this plant was designated as an
909:
829:C.M. Hogan, G. Deghi, M. Papineau et al.,
476:. Tiny populations have been found in the
61:
42:
31:
1428:NatureServe critically imperiled species
652:without further elements of protection.
338:that is sticky, and which is removed as
215:(Rand.Morgan & Ackerman) R.M.Bateman
863:(Yadon's piperia, Yadon's rein orchid)
734:United States Fish and Wildlife Service
712:
663:to classify the species as endangered.
567:climate that is pronounced due to the
432:occurrences in mixed populations with
348:; and (c) has a stigma fused with its
853:Platanthera yadonii (Piperia yadonii)
7:
1443:Endemic orchids of the United States
675:produced, the leaves have typically
330:green plant that grows from buried
1097:urn:lsid:ipni.org:names:20012581-1
776:Population ecology of terrestrial
511:, sometimes with Gowen's cypress (
25:
1366:urn:lsid:ipni.org:names:958361-1
846:
644:, the latter promulgated by the
84:
795:. Fremontia 26(3):12–16 (1998)
646:U.S. Fish and Wildlife Service
369:structure, from which emanate
319:Along with most other orchids
1:
638:California Floristic Province
606:, such as the coastal closed-
440:are noted in the literature.
304:extraction from intermediate
1458:Orchids of the United States
484:Ridge (Cushing Mountain) at
1433:Endemic flora of California
355:Yadon's piperia exhibits a
270:Monterey County, California
1474:
721:"NatureServe Explorer 2.0"
444:Reproduction and symbiosis
282:expanding human population
233:Rand.Morgan & Ackerman
701:Minimum viable population
650:minimum viable population
573:Monterey submarine canyon
540:Arctostaphylos glandulosa
227:
220:
205:
198:
81:Scientific classification
79:
59:
50:
41:
34:
868:USDA Plants Profile for
587:History and conservation
522:, with dwarfed Hooker's
460:Distribution and habitat
571:of cool water from the
744:63: 43100–43116 (1998)
529:Arctostaphylos hookeri
520:Northern coastal scrub
1438:Orchids of California
261:to a narrow range of
67:Critically Imperiled
696:Hickman's potentilla
625:climate of the late
550:Cupressus macrocarpa
290:Monterey, California
254:, is an endangered
18:Yadon's piperia
953:Platanthera yadonii
923:Platanthera yadonii
904:— UC Photos gallery
690:Platanthera elegans
592:Platanthera yadonii
514:Cupressus goveniana
252:Yadon's rein orchid
243:Platanthera yadonii
209:Platanthera yadonii
53:Conservation status
36:Platanthera yadonii
596:Monterey Peninsula
490:Nature Conservancy
474:Monterey Peninsula
274:endangered species
1415:
1414:
1322:Open Tree of Life
1066:Open Tree of Life
915:Taxon identifiers
872:(Yadon's piperia)
408:overlaps that of
239:
238:
234:
74:
27:Species of orchid
16:(Redirected from
1465:
1408:
1407:
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1022:
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996:
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851:Data related to
850:
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818:Federal Register
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796:
789:
783:
772:
766:
760:
754:
751:
745:
742:Federal Register
731:
725:
724:
717:
661:notice of intent
657:city of Monterey
545:Monterey cypress
470:Del Monte Forest
424:; consequently,
362:leaf formation.
286:Del Monte Forest
246:, also known as
232:
211:
89:
88:
68:
65:
64:
46:
32:
21:
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1242:
1234:
1229:
1221:
1216:
1208:
1206:
1198:
1193:
1185:
1180:
1172:
1170:
1161:
1160:
1155:
1148:Piperia yadonii
1142:
1134:
1129:
1121:
1116:
1108:
1103:
1095:
1090:
1082:
1077:
1069:
1064:
1056:
1051:
1043:
1038:
1030:
1025:
1017:
1012:
1004:
999:
991:
986:
978:
973:
965:
960:
951:
950:
945:
936:
935:
930:
917:
902:Piperia yadonii
879:Piperia yadonii
877:Jepson eFlora:
870:Piperia yadonii
861:Piperia yadonii
843:
838:
837:
828:
824:
815:
811:
803:
799:
790:
786:
773:
769:
761:
757:
752:
748:
732:
728:
719:
718:
714:
709:
685:
589:
466:Monterey County
462:
446:
352:into a column.
317:
248:Yadon's piperia
230:Piperia yadonii
216:
213:
207:
194:
191:P. yadonii
83:
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62:
55:
28:
23:
22:
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12:
11:
5:
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1420:
1419:
1413:
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1410:
1409:
1405:wfo-0000273906
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1204:
1191:
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1136:wfo-0000497840
1127:
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855:at Wikispecies
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841:External links
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516:ssp. goveniana
468:primarily the
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791:C.I. Millar,
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642:Recovery Plan
639:
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586:
584:
582:
581:precipitation
578:
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556:
552:
551:
546:
542:
541:
536:
532:
530:
525:
521:
517:
515:
510:
506:
505:Pinus radiata
502:
501:Monterey pine
497:
495:
494:Pacific Ocean
491:
487:
483:
479:
475:
471:
467:
459:
457:
455:
451:
443:
441:
439:
435:
431:
427:
423:
422:P. transversa
419:
415:
411:
407:
403:
399:
394:
392:
388:
383:
382:inflorescence
378:
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372:
368:
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278:United States
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200:Binomial name
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111:Tracheophytes
109:
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87:
82:
78:
72:
58:
54:
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45:
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37:
33:
30:
19:
1147:
922:
901:
894:
886:
878:
869:
860:
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800:
792:
787:
775:
774:T.C. Wells,
770:
762:
758:
749:
737:
729:
715:
688:
665:
654:
635:
603:
591:
590:
562:
548:
538:
531:ssp. hookeri
527:
512:
504:
498:
463:
452:in order to
447:
437:
433:
425:
421:
418:P. michaelii
417:
413:
409:
405:
401:
395:
390:
379:
364:
354:
320:
318:
294:
268:in northern
251:
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229:
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208:
206:
190:
189:
177:
167:Orchidoideae
130:
117:
104:
35:
29:
1453:Platanthera
1309:NatureServe
1257:iNaturalist
1001:iNaturalist
947:Wikispecies
668:populations
666:Monitoring
627:Pleistocene
543:); and (c)
537:manzanita (
482:Rocky Creek
434:P. elongata
414:P. elongata
323:: (a) is a
315:Description
178:Platanthera
163:Subfamily:
157:Orchidaceae
147:Asparagales
124:Angiosperms
71:NatureServe
1422:Categories
1340:kew-156620
1335:Plant List
1171:Calflora:
1084:kew-258988
1079:Plant List
1019:20012581-1
895:P. yadonii
887:P. yadonii
859:Calflora:
707:References
604:P. yadonii
600:endemicism
558:understory
555:herbaceous
535:Eastwood's
438:P. elegans
426:P. yadonii
410:P. elegans
406:P. yadonii
402:P. yadonii
391:P. yadonii
380:The dense
375:lanceolate
321:P. yadonii
297:wildflower
1223:242101824
938:Q28816713
615:cypresses
569:upwelling
524:manzanita
478:Prunedale
454:germinate
430:Sympatric
328:perennial
309:organisms
185:Species:
94:Kingdom:
1392:23516625
1387:Tropicos
1374:Species+
1314:2.131476
1288:10891583
1275:958361-1
1163:Q7197351
1157:Wikidata
1123:50235133
1118:Tropicos
1105:Species+
1058:64176580
932:Wikidata
683:See also
677:senesced
631:Holocene
577:fog drip
325:bisexual
302:nutrient
222:Synonyms
153:Family:
137:Monocots
1327:3971872
1236:2796996
1071:3971872
980:2796997
778:orchids
560:shape.
486:Big Sur
472:on the
367:rhizome
360:rosette
340:sessile
276:by the
266:habitat
263:coastal
259:endemic
173:Genus:
143:Order:
98:Plantae
69: (
1348:PLANTS
1301:507115
1249:416388
1207:ECOS:
1045:894792
1032:122375
1006:500491
993:447810
619:relict
565:marine
509:forest
420:, and
387:tepals
371:tubers
343:anther
336:pollen
332:tubers
306:fungal
256:orchid
1379:14675
1283:IRMNG
1262:50735
1187:7WHJZ
1110:77466
967:4JN2P
816:U.S.
672:tuber
623:mesic
611:pines
533:) or
450:fungi
357:basal
350:style
295:This
288:near
131:Clade
118:Clade
105:Clade
1361:POWO
1353:PIYA
1296:ITIS
1270:IPNI
1244:GRIN
1231:GBIF
1210:4205
1195:CNPS
1174:6537
1092:POWO
1053:IUCN
1040:ITIS
1014:IPNI
988:GRIN
975:GBIF
617:are
613:and
608:cone
436:and
398:spur
346:sacs
1400:WFO
1218:FNA
1200:729
1182:CoL
1131:WFO
1027:ISC
962:CoL
250:or
1424::
1402::
1389::
1376::
1363::
1350::
1337::
1324::
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1298::
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1016::
1003::
990::
977::
964::
949::
934::
740:.
736:,
583:.
507:)
496:.
416:,
412:,
311:.
133::
120::
107::
723:.
547:(
526:(
503:(
73:)
20:)
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