Difference between revisions of "Arceuthobium campylopodum subsp. siskiyouense"

(Hawksworth, Wiens & Nickrent) Nickrent

Phytoneuron 2012-51: 10. 2012.

Common names: Knobcone pine dwarf mistletoe
Endemic
Basionym: Arceuthobium siskiyouense Hawksworth, Wiens & Nickrent, Novon 2: 204. 1992
Treatment appears in FNA Volume 12. Treatment on page 433. Mentioned on page 429, 430.
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|accepted_name=Arceuthobium campylopodum subsp. siskiyouense
 
|accepted_name=Arceuthobium campylopodum subsp. siskiyouense
|accepted_authority=(Hawksworth
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|accepted_authority=(Hawksworth, Wiens & Nickrent) Nickrent
 
|publications={{Treatment/Publication
 
|publications={{Treatment/Publication
|title=Wiens & Nickrent) Nickrent, Phytoneuron
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|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
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|authority=Hawksworth, Wiens & Nickrent,
 
|rank=species
 
|rank=species
|publication_title=Wiens & Nickrent, Novon
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-->{{#Taxon:
 
name=Arceuthobium campylopodum subsp. siskiyouense
 
name=Arceuthobium campylopodum subsp. siskiyouense
|authority=(Hawksworth
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|authority=(Hawksworth, Wiens & Nickrent) Nickrent,
 
|rank=subspecies
 
|rank=subspecies
 
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|distribution=Calif.;Oreg.
 
|distribution=Calif.;Oreg.
 
|reference=None
 
|reference=None
|publication title=Wiens & Nickrent) Nickrent, Phytoneuron
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|publication title=Phytoneuron
 
|publication year=2012
 
|publication year=2012
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V12/V12_665.xml
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|genus=Arceuthobium
 
|genus=Arceuthobium
 
|species=Arceuthobium campylopodum
 
|species=Arceuthobium campylopodum

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.
Daniel L. Nickrent +
(Hawksworth, Wiens & Nickrent) Nickrent, +
Arceuthobium siskiyouense +
Knobcone pine dwarf mistletoe +
Calif. +  and Oreg. +
400–1200 m. +
Coniferous forests, especially closed-cone pine forests with knobcone pine. +
Flowering Aug–Sep +  and fruiting Sep–Oct. +
Phytoneuron +
Razoumofskya campylopoda +
Arceuthobium campylopodum subsp. siskiyouense +
Arceuthobium campylopodum +
subspecies +