familyViscaceae
genusPhoradendron
speciesPhoradendron villosum
subspeciesPhoradendron villosum subsp. villosum
Difference between revisions of "Phoradendron villosum subsp. villosum"
Synonyms: Phoradendron villosum var. rotundifolium Trelease
Treatment appears in FNA Volume 12. Treatment on page 438.
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Latest revision as of 19:16, 5 November 2020
Hairs on young stems, leaf blades, and inflorescences of one type, uniformly distributed and of similar lengths. Staminate inflorescences: internodes each (15–)29(–45)-flowered. Pistillate inflorescences: internodes each (7–)12(–24)-flowered. 2n = 28.
Phenology: Flowering Jul–Sep.
Habitat: Oak woodlands.
Elevation: 20–2200 m.
Distribution
Calif., Oreg., Mexico (Baja California).
Discussion
Subspecies villosum is parasitic mainly on oaks, including Quercus agrifolia, Q. douglasii, and Q. lobata (V. E. Thompson and B. E. Mahall 1983), but can be found on Aesculus, Arctostaphylos, Betula, Populus, Robinia, and Salix. The subspecies is distributed from the Coast Ranges and Willamette Valley of Oregon south through the Sierra Nevada and Coast and Transverse ranges of California into northern Baja California.
Selected References
None.
Lower Taxa
None.