Difference between revisions of "Arceuthobium campylopodum subsp. siskiyouense"
Phytoneuron 2012-51: 10. 2012.
Common names: Knobcone pine dwarf mistletoe
Endemic
Basionym: Arceuthobium siskiyouense Hawksworth, Wiens & Nickrent, Novon 2: 204. 1992
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Arceuthobium campylopodum subsp. siskiyouense | |accepted_name=Arceuthobium campylopodum subsp. siskiyouense | ||
| − | |accepted_authority=(Hawksworth | + | |accepted_authority=(Hawksworth, Wiens & Nickrent) Nickrent |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title= | + | |title=Phytoneuron |
|place=2012-51: 10. 2012 | |place=2012-51: 10. 2012 | ||
|year=2012 | |year=2012 | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Arceuthobium siskiyouense | |name=Arceuthobium siskiyouense | ||
| − | |authority=Hawksworth | + | |authority=Hawksworth, Wiens & Nickrent, |
|rank=species | |rank=species | ||
| − | |publication_title= | + | |publication_title=Novon |
|publication_place=2: 204. 1992 | |publication_place=2: 204. 1992 | ||
}} | }} | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Arceuthobium campylopodum subsp. siskiyouense | name=Arceuthobium campylopodum subsp. siskiyouense | ||
| − | |authority=(Hawksworth | + | |authority=(Hawksworth, Wiens & Nickrent) Nickrent, |
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|distribution=Calif.;Oreg. | |distribution=Calif.;Oreg. | ||
|reference=None | |reference=None | ||
| − | |publication title= | + | |publication title=Phytoneuron |
|publication year=2012 | |publication year=2012 | ||
|special status=Endemic | |special status=Endemic | ||
Latest revision as of 13:31, 1 December 2021
Plants forming witches' brooms. Stems brown, 6–8(–10) cm; third internode 8–9(–15) × 2 mm, dominant shoot 2–2.5 mm diam. at base. Staminate flowers 3 mm diam.; petals 3 or 4. Fruits 4 × 2.5 mm.
Phenology: Flowering Aug–Sep; fruiting Sep–Oct.
Habitat: Coniferous forests, especially closed-cone pine forests with knobcone pine.
Elevation: 400–1200 m.
Discussion
Meiosis likely occurs in July, with fruits maturing 13 months after pollination.
The principal host of subsp. siskiyouense is Pinus attenuata; rare hosts include P. contorta, P. jeffreyi, and P. ponderosa. Subspecies siskiyouense is endemic to the Klamath and Siskiyou mountains.
Selected References
None.
Lower Taxa
None.