What is the common name for Robinia pseudoacacia?
What is the common name for Robinia pseudoacacia?
black locust
Robinia pseudoacacia, commonly called black locust, is medium sized, suckering, deciduous tree that typically grows to 30-50′ (less frequently to 80′) tall.
Are black locust leaves lobed?
Tree profile leaf: The leaves of Black locust is odd-pinnate with 9-19 leaflets. The single leaves are 3 – 4 cm (1.2 – 1.6 in) long, ovate to round.
Does a Robinia tree have thorns?
The branches bear sharp thorns approx. 3 cm long. The imparipinnate leaves consist of 9 to 19 elliptical, dark bluish green leaf segments that are 1.5 – 4.5 cm in size. Robinia leafs out late and keeps its leaves long into the autumn.
How do you identify black locust?
How to identify black locust
- Mature bark is dark gray-brown with deep furrows between flat-topped ridges.
- Vigorous sprouts and young shoots are greenish in color and have paired spines up to 1 inch long at the base of leaves.
Are Robinia trees poisonous?
All parts of the plant are poisonous, especially the pods, seeds, bark and leaves. It can cause dizziness, nausea, vomiting, diarrhoea, convulsions and drowsiness.
How fast do Robinia trees grow?
Robinia pseudoacacia ‘Frisia’ is a stunning upright, medium sized ornamental tree that will grow to approximately 8 x 4 metres in 20 years.
How poisonous is black locust?
All parts of a black locust are extremely toxic and can cause severe stomach pain or death in children, pets and livestock if eaten. The leaves are also toxic, but in addition to thorn toxicity is the problem of extreme pain when swallowing thorns that grow up to 2 inches long.
Is Robinia fast growing?
Habit: Bushy, fast growing, suckering. Type: Medium-sized deciduous tree. Hardiness: Hardy in UK.
How do you tell the difference between a honey locust and a black locust?
One can also tell the two trees apart by just looking at the bark. The black locust’s bark is dark in colour with grooves that resemble an intertwining rope. The honey locust’s bark is brown or grey in colour and the tree has  bunches of thorns. Both the black and honey locust have smooth, thin, shiny seedpods.
Are black locust invasive?
Black locusts have invasive traits that enable them to spread aggressively. Black locust produces hanging clusters of very fragrant white flowers in spring. This fast-growing native tree can form colonies and has brittle wood.
When should you prune a Robinia?
Robinia can withstand pruning nearly any time of year, but respond best if trimming is conducted during the dormant season, generally in late winter or very early spring before the final frost of the year.
What kind of flowers does Robinia pseudoacacia produce?
It has an upright, narrow crown, widest at the top, producing masses of white, fragrant pea-like flowers that mature into flat pods in the fall. The ropy brown bark and red spines that line the new shoots also distinguish this locust from its relatives.
Is the bark of a Robinia tree toxic?
Known Hazards: All parts of the plant (except the flowers) and especially the bark, should be considered to be toxic. The toxins are destroyed by heat. Physical Characteristics: Robinia is a small genus of about twenty species of trees and large shrubs usually with spines on the branches.
How tall does a Robinia hispida tree get?
Robinia hispida × Robinia pseudoacacia → Robinia × margarettae Ashe is a very rare locust hyrid known from MA. The shrubs to small trees (1–10 m tall) are hispid in the inflorescence and may be hispid on the petioles. The inflorescences contain 6–10 flowers with pink corollas.
What do you do with the seed pods of Robinia?
The young seedpods are cooked and a strong, narcotic and intoxicating drink is made from the skin of the fruit. Piperonal is extracted from the plant, it is used as a vanilla substitute. All the above entries should be treated with some caution, see the notes at the top of the page regarding toxicity.