| 词条 | Boechera holboellii |
| 释义 |
|regnum = Plantae |image = Boechera.JPG |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Rosids |ordo = Brassicales |familia = Brassicaceae |genus = Boechera |species = B. holboellii |binomial = Boechera holboellii |binomial_authority = (Hornem.) Á.Löve & D.Löve |synonyms =
|synonyms_ref = [1] |}}Boechera holboellii or Holbøll's Rockcress is found in Greenland. Its cytology has been much studied by the Danish botanist Tyge W. Böcher. Circumscription of this species has varied, with earlier works treating it as a widespread, polymorphic species with several varieties,[2] while more recently it has been treated as a much more narrowly defined species from Greenland.[3] The rust fungus Puccinia monoica infects the plant leading to pseudoflowers, which mimic those of yellow, early spring wildflowers (e.g. buttercups), not only in visible light but also in ultraviolet.[4] The specific epithet commemorates Carl Peter Holbøll - a Danish civil servant and early explorer of the fauna of Greenland. Similar speciesThe type of B. holboellii is diploid, from Greenland.[3] There is some evidence that it might also be present in eastern Canada.[3] It is not clear whether polyploids of B. holboellii (as narrowly defined) exist. The following diploid species have been distinguished:[3]
References1. ^{{cite web|url=http://www.theplantlist.org/tpl/record/kew-2678036|title=The Plant List}} 2. ^Rollins, R.C., 1993. The Cruciferae of Continental North America. Stanford University Press, Palo Alto, California. 3. ^1 2 3 {{cite journal|url=http://www.bioone.org/doi/abs/10.3100/1043-4534(2007)12%5B235%3ANANSOB%5D2.0.CO%3B2|author1=Windham, M.D. |author2=Al-Shehbaz, I.A. |lastauthoramp=yes |year=2006|title=New and noteworthy species of Boechera (Brassicaceae) I: sexual diploids|journal=Harvard Papers in Botany|volume=11|issue=1|pages=61–88|doi=10.3100/1043-4534(2007)12[235:NANSOB]2.0.CO;2}} 4. ^Roy BA: Floral mimicry by a plant pathogen. In: Nature. 362, 1993, S. 56-58 online External links
2 : Boechera|Flora of North America |
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