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Robinia pseudoacacia ‘Umbraculifera’

Robinia pseudoacacia ‘Umbraculifera’

Taxonomy

Kingdom
Plantae
Phylum
Magnoliophyta
Class
Magnoliopsida
Order
Fabales
Family
Fabaceae
Genus
Robinia
Species
Robinia pseudoacacia ‘Umbraculifera’
Synonyms
globular black locust

Habitat / Home / Areal

Trees or shrubs of North America and Mexico.

Botanical description

Habitus: Trees grow rapidly to 25 m tall. 

Leaf: Leaves alternate, odd-pinnate, bracts umbilicate, entire-edged and on short petioles. Some species have leaves modified to red-brown strong spines. This variety has no thorns.

Flower: Flowers white, purple and purplish-pink in dense pendulous inflorescences (May, June).

Fruit: Fruit is a pod with small hard seeds, ripens in October.

Growth conditions / Cultivation / Care

It is a light-loving species, very undemanding of soil, and likes loose, not too wet soil. The crown of this variety can be pruned every year to keep the tree at specific size.

Use / Function and landscape

  • Solitary plantings
  • avenues
  • green urban areas

Special use

It is a good species for greening abandoned, degraded and the most barren sandy soils and for riverbank landscaping. The wood is extremely durable, resilient and sturdy, suitable for supporting stakes in viticulture and fruit growing. One of the more invasive species in our area, very suitable for beekeeping.

Reproduction

Seeding, cuttings, root suckers, grafting.

Diseases and pests

Nematus tobialis