Difference between revisions of "Phoradendron juniperinum"
Mem. Amer. Acad. Arts, n. s. 4: 58. 1849.
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|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
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|basionyms= | |basionyms= | ||
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|name=Phoradendron juniperinum subsp. libocedri | |name=Phoradendron juniperinum subsp. libocedri | ||
|authority=(Engelmann) Wiens | |authority=(Engelmann) Wiens | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=P. juniperinum var. libocedri | |name=P. juniperinum var. libocedri | ||
|authority=Engelmann | |authority=Engelmann | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=P. juniperinum var. ligatum | |name=P. juniperinum var. ligatum | ||
|authority=(Trelease) Fosberg | |authority=(Trelease) Fosberg | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=P. libocedri | |name=P. libocedri | ||
|authority=(Engelmann) Howell | |authority=(Engelmann) Howell | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=P. ligatum | |name=P. ligatum | ||
|authority=Trelease | |authority=Trelease | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Viscaceae;Phoradendron;Phoradendron juniperinum | |hierarchy=Viscaceae;Phoradendron;Phoradendron juniperinum | ||
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name=Phoradendron juniperinum | name=Phoradendron juniperinum | ||
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|authority=A. Gray | |authority=A. Gray | ||
|rank=species | |rank=species | ||
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|publication title=Mem. Amer. Acad. Arts, n. s. | |publication title=Mem. Amer. Acad. Arts, n. s. | ||
|publication year=1849 | |publication year=1849 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V12/V12_1006.xml |
|genus=Phoradendron | |genus=Phoradendron | ||
|species=Phoradendron juniperinum | |species=Phoradendron juniperinum | ||
Revision as of 19:55, 16 December 2019
Subshrubs, erect, 1–2(–2.5) dm, dioecious. Stems green to olive green, glabrous; internodes terete, 5–20 × 1.5–2.5 mm. Leaves green to olive green, scalelike; blade triangular, 2 mm, apex acute; basal phyllotaxy transverse. Staminate inflorescences 3–5 mm; peduncle with 1 internode, 3 mm; fertile internode usually 1, 6-flowered, seriation unknown, flowers 3 (2 proximal, 1 distal) per bract. Pistillate inflorescences 3–5 mm; peduncle with 1 internode, 2 mm; fertile internode 1, 2-flowered, flowers 1 per bract. Flowers: petals 3–4, 0.5–1 mm. Berries white or pinkish, globose to ellipsoid-globose, 4–5 × 3 mm, glabrous. 2n = 28.
Phenology: Flowering summer–early fall.
Habitat: Forests or woodlands with juniper or incense cedar.
Elevation: 800–2900 m.
Distribution
Ariz., Calif., Colo., Idaho, Nev., N.Mex., Oreg., Tex., Utah, Mexico (Baja California, Chihuahua, Coahuila, Sonora).
Discussion
Phoradendron juniperinum is often classified as having two subspecies, subspp. juniperinum and libocedri. Subspecies juniperinum is found throughout the species' range as globose infections on various species of Juniperus. The larger, pendent parasites of Calocedrus from California have been recognized as subsp. libocedri. J. Kuijt (2003) argued that this habit could be a host response because intermediate morphologies are known; the two taxa are not recognized here.
Selected References
None.