Locust Sir Herbert Beerbohm Tree are members of genusRobinia , a genus of about 10 species of blossom trees and bush in pea family ( Fabaceae ) that grow in North America . Locusts are deciduous and expect farseeing compound leaves with up to 23 oblong leaflets . Many species have thorns . The flowers are often showy and fragrant and hang in loose clusters . The fruits are long drop legumes . These trees are broadly cultivated as ornamental . The trees are also easygoing to grow , which has helped them unfold and become incursive in many areas in North America .
Generally , locust trees choose dry soils with near drainage , but can set a terror to native vegetation when embed near natural field . It is a native tree as well as invasive in nature , spread out apace through profuse seed droppings and invasive root patsy if bequeath untended and uncurbed , shading out other botany . The large , fragrant prime vie with other plant for pollenation from bees . leave bark and seeds are poisonous . In this article , get to understand the 10 varieties or types of locust tree and their uses .
1. Black Locust Tree(Robinia pseudoacaci)
Robinia pseudoacacia , commonly known in its native territory asblack locust , is a medium - sized hardwood deciduous tree diagram , belonging to the tribeRobinieae . Black locust reaches a typical height of 40–100 feet ( 12–30 m ) with a diam of 2–4 metrical unit ( 0.61–1.22 m ) . Exceptionally , it may grow up to 52 metres ( 171 ft ) magniloquent and 1.6 metres ( 5.2 ft ) diam in very honest-to-goodness Sir Herbert Beerbohm Tree . It is a very upright Sir Herbert Beerbohm Tree with a square luggage compartment and minute crown that grows scraggly with age . The blue dismal - green chemical compound leaf with a contrast lighter undersurface give this tree a beautiful appearance in the wind and contribute to its gracility .
Black locust tree is endemic to a few low areas of the United States , but it has been widely planted and naturalise elsewhere in temperate North America , Europe , Southern Africa and Asia and is considered an incursive species in some areas . It is suitable for fuelwood and pulp and provides cover for wildlife , browse for deer and nest cavities for skirt .
Botanical Characteristics
2.Honey Locust(Gleditsia triacanthos)
Thehoney locust(Gleditsia triacanthos ) , also refer to as thethorny locustorthorny honeylocust , is a deciduous Sir Herbert Beerbohm Tree native to the semitropical forests of North and South America , Asia and Africa . The love locust tree can get through a height of 20–30 m ( 66–98 ft ) . They exhibit fast increment , but live a average - long sprightliness duad of about 120 years .
The leave of absence are pinnately compound on older trees but bipinnately chemical compound on vigorous young trees . The leaflet are 1.5–2.5 atomic number 96 ( 0.6–1 in ) ( smaller on bipinnate leave of absence ) and bright green . They twist chickenhearted in the autumn . Honey locusts leaf out relatively late in spring , but generally more or less earlier than the black locust ( Robinia pseudoacacia ) . The powerfully scented ointment - colored flush appear in belated spring , in bunch emerging from the base of the leaf axil . These are sturdy , fast - develop tree that tolerate challenging urban conditions , such as drought , contamination , common salt , bundle soil , heat , and alkaline soil .
Botanical Characteristic
3. Skyline Honey Locust(Gleditsia triacanthosf.inermis‘Skycole’)
Skyline Honey locust tree is a medium - sized flowering deciduous tree diagram with a classifiable and refined pyramidal material body . It add an extremely ok and delicate texture to the landscape composing which can make it a great accent feature on this base alone . Skyline Honeylocust has dark green foliage throughout the time of year . The pinnately compound leave-taking change state an outstanding gold in the drop .
Skyline Honey locust typically grows 60–80 understructure marvellous with a rounded circularize crown . Inconspicuous , dark-green yellow to greenish white efflorescence appear in racemes in late spring . bloom are succeed by longsighted , twisted , and flattened , dark purplish - chocolate-brown seedpod ( to 18 inches long ) that mature in late summer and endure well into wintertime . seedpod bear , in addition to seed , a odorous gummed subject matter that gives honey locust its vernacular name . Skyline honey locust tree is a thornless mixture with a stiff erect growth form , few seed pods , and first-class yellow decline color . This is an adaptable tree specially good for street and parking lots .
4. Bristly Locust (Robinia hispida)
genus Robinia hispida , known as thebristly locust tree , rose - acacia , ormoss locust , is a shrub that grow to 3 meter improbable , often with glandular , bristly ( hispid ) stems . The leaves are pinnate with up to 13 folder . The pinkish or purplish pealike flower are borne in hanging racemes of up to 5 . The yield is a flat pod . It is native to the southeastern United States , and it is present in other area , include other region of North America , as an bring in species . It is mature as an ornamental and can get away finish and grow in the wilderness .
5. Imperial Honey Locust (Gleditsia triacanthos var. inermis ‘Imperial’)
Valued for its finespun fern - like leave-taking , the Imperial honeylocust ( Gleditsia triacanthos var . inermis‘Imperial ’ ) is one of the most pop shade trees . This thornless tree diagram features bright gullible foliage that make a rounded top above the trunk . The Imperial honeylocust acquire a few germ pods in the summer , and the green leaves lento pass into a chicken colour by the fall . Unlike other honeylocust species that have prickle , this variety does not create any gibe . The Imperial honeylocust is an first-class pick to add to your landscape .
This deciduous tree produces medium - sized leave-taking . The fern - like leaves are composed of numerous leaflets with serrated edges . Throughout the class , you could expect to see bright dark-green foliation . As the summer season changes towards autumn , these leaves will turn into a brilliant shade of lily-livered .
The Imperial honeylocust is a low - care tree . With its wide habit of growth , it will leaf out by and by than other shade tree . In one way , this action protect the tree diagram from late give freeze and heavy snows . These Sir Herbert Beerbohm Tree can be used in turgid parking mint islands . Along sidewalks or highway , they are also recommend for fender or median comic strip .
6. New Mexico Locust (Robinia neomexicana)
Robinia neomexicana , also referred to as theNew Mexican , New Mexico , Southwest , desert , pink , or rose locust ) , is a shrub or humble tree that raise to 5–10 m magniloquent ( seldom to 15 m ) with bristly shoots . The leaves are 10–15 cm long , pinnate with 7–15 leaflets ; they have a pair of piercing , reddish - brown thorns at the base . The flowers are showy and white or pinkish , and regard fragrant . Blooms are bring forth in spring or early summer in dense racemes 5–10 atomic number 96 long that hang from the branches near the end . The fruits are brown bean - corresponding pods with bristles like those on the shoot . The twig are grayish brown and have a pair of stout , sharp , curved spikelet at the nodes . The young twigs are carmine and glandular - hirsute . The bark is grayish , unruffled when young , and wrinkle when old . The tight - rise works are suckering and thicket - forming expectant bush or small trees .
The wood is tough , heavy , and long-lasting , but tree seldom grow gravid enough to be sawed into timber . The Grant Wood is sometimes used for detail like tool handles , and for fencing posts . Perhaps , though , the good thing about New Mexico locust is just that it is an well-heeled to identify attractive picayune tree that lend color and variety to the landscape painting .
7. Purple Robe Black Locust
‘ Purple Robe ’ locust tree is a tremendous mass medium sized , suckering , deciduous shade tree diagram that typically grows marvellous with an ellipse - upright habit . It work an oval - erect canopy . The leaves are odd pinately compound with up to 23 spear - mould to ovate leaflets . In the natural spring the leaf emerge bronze - red ink but reverse to green during the summer before turning white-livered in the gloaming . It also develops foresightful bunch of violet - color bloom in May that resemble Wisteria flowers . These beautifully fragrant clusters cover the tree abundantly that originate up to eight inch long each . The tree strive 30 to 50 ft tall at due date , and its oval canopy spreads 20 to 35 feet full .
The “ Purple Robe ” disgraceful locust tree has an encroaching root system , even in the piteous land , which sends up mug . This trend , plus extensive reseeding from birds and other mammals , contributes to a thick thicket that forms around the female parent plant when left alone . In some areas , it is count incursive , spreading through the landscape and interfering with other plants . The Sir Herbert Beerbohm Tree provides just dappled nuance , but has keen thorns on its branches .
“ Purple Robe ” can grow in full sunshine or light shadowiness , and in almost any type of well - draining soil , from acidulent to alkaline and dry to moist . Aphids , scurf louse , whitefly and caterpillars can also become problem on this tree , although these are usually less serious . Diseases that often plague the “ Purple Robe ” inglorious locust admit powdery mildew , canker , leaf spots and radical buncombe .
8. Shademaster Honey Locust
Shademaster Honeylocust is an open deciduous tree diagram with an upright spreading habit of growth . It lends an highly fine and soft grain to the landscape composition which can make it a heavy accent feature film on this basis alone . The Shademaster Honeylocust is known for its dark greenish foliage throughout the yr . Its pinnately chemical compound leave of absence turn to a beautiful yellow chromaticity during the fall . This tree diagram does not produce any fruit or flowers .
Honeylocust tree are native to North America , and they are pick out for their hardiness in most conditions . The Shademaster variety is hardy than most trees , and they do not have large ejaculate pods or knifelike spikelet like other honeylocusts .
9. Sunburst Honey Locust
The Sunburst honey locust tree is native to the Midwestern United States where it mature in moist and wintertime - cold position . It is a loyal growing tree with an arced limb riding habit , reaching 35 - 50 ft . tall , 30 - 35 ft . wide . The newfangled emergence of this cultivar is brilliant jaundiced and very attractive . Flowers are inconspicuous ; bunch of 12 - 18 in . long drop chocolate-brown bean - alike seed pods mature by end of summertime .
Sunburst honey locust has prove to be a tough and extremely adaptable tree diagram that is grown for shade in parking area and gardens . It is best adapted to loam soils , and with regular summertime moisture it has proven to survive sunlight , heat and aridness . matured trees will endure unretentive period of summertime drought . It is wide apprise for its refined branching habit and moderate shade during the summer .
10. Umbrella Locust(Robinia pseudoacacia ‘’Umbraculifera’’
Umbrella locust is a midget form of locust tree tree that reaches 20 groundwork in altitude . It has an umbrella - shaped , dull canopy , with 6 - 14 column inch , dark green leaves and multiple leaflet on sprig . The trees are drought and salt patient of , making them good trees for ironical or seaside expanse . Umbrella locust tree tree diagram produce big , cream - colored , fragrant cluster of pea - like peak that produce 1 - 4 column inch - long glum violent , chocolate-brown or black seed seedcase . Umbrella locust tree diagram are grown for their unusual umbrella shaped canopy as ornamental display species .
