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Douglas-fir dwarf mistletoe

Arceuthobium douglasii

Also called Douglas' Dwarf Mistletoe

Douglas-fir dwarf mistletoe
Photo: Jeffrey J. Witcosky, Public domain
Family
Viscaceae (Visc family)
Grows as
Tree, Shrub
Native range
W. Canada to W. & SC. U.S.A. and N. Mexico
Climate
temperate

About

Arceuthobium douglasii is a species of dwarf mistletoe known as Douglas fir dwarf mistletoe. It is native to western North America from British Columbia to Texas to California, where it lives in forest and woodland as a parasite. It is found mostly on Douglas fir (Pseudotsuga menziesii) trees, but occasionally on fir (Abies spp.), as well.

This greenish shrub is visible as a network of scaly stems extending above the bark of its host tree. Most of the mistletoe is located inside the host tree, attached to it via haustoria, which tap the tree for water and nutrients. The leaves of the mistletoe are reduced to scales on its surface. It is dioecious, with male and female mistletoe plants producing spikes of staminate and pistillate flowers, respectively.

Other Arceuthobium plants

Fir dwarf mistletoe · American dwarf mistletoe · Apache dwarf mistletoe · Azores Dwarf Mistletoe · Southwestern white pine dwarf mistletoe · Sugar pine dwarf mistletoe · Western dwarf mistletoe · Limber pine dwarf mistletoe · Pinyon dwarf mistletoe · Huachuca Mountain dwarf mistletoe · Larch dwarf mistletoe · Coastal dwarf mistletoe

Text excerpted from the Wikipedia article Arceuthobium douglasii by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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