Arceuthobium vaginatum – Pineland Dwarf Mistletoe

Arceuthobium vaginatum - Pineland Dwarf Mistletoe, Pine Dwarf Mistletoe, Southwestern Dwarf-mistletoe

Arceuthobium vaginatum - Pineland Dwarf Mistletoe, Pine Dwarf Mistletoe, Southwestern Dwarf-mistletoe

Plant Name

Scientific Name: Arceuthobium vaginatum

Common Names: Pineland Dwarf Mistletoe, Pine Dwarf Mistletoe, Southwestern Dwarf-mistletoe

Plant Characteristics

Duration: Perennial

Growth Habit: Shrub, Subshrub, Parasite

Arizona Native Status: Native

Habitat: Mountain. This parasitic plant is found in mountain forests growing on Pinus species, especially Arizona Pine (P. ponderosa var. arizonica) and Apache Pine (P. engelmannii).

Flower Color: Inconspicuous (yellowish)

Flowering Season: Spring

Height: Up to 1 foot (30 cm) tall

Description: The tiny flowers are followed by 1/4 inch (6 mm) long, drooping, football-shaped, green ripening to purple berries with a yellow-orange to brown tip. The berries violently explode open when ripe and spray their sticky seeds great distances away onto new host trees. Birds eat the berries and also help disperse the seeds. The leaves are reduced to tiny, opposite scales. The stems are plump, hairless, highly branched, and often erect. The plants are usually orange to slightly orange-tinged yellow-green in color.

Other similar Arceuthobium species are a different color and/or are found on different coniferous host species.

Classification

Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Rosidae
Order: Santalales
Family: Viscaceae – Christmas Mistletoe family
Genus: Arceuthobium M. Bieb. – dwarf mistletoe
Species: Arceuthobium vaginatum (Willd.) J. Presl – pineland dwarf mistletoe

More About This Plant

Arizona County Distribution Map