Synonym |
Acacia tortilis subsp. heteracantha (Burch.) Brenan, Acacia tortilis subsp. tortilis, Acacia tortilis var. raddiana
(Savi) Brenan |
Flower Color |
White |
Common Name |
Israeli babool |
Flower Type |
Solitary |
English / Trade Name |
Umbrella thorn , Karamoja |
Flowering Period |
April-June |
Vernacular /Local Name |
Aila |
Fruiting Period |
July-Sept |
Altitude |
Upto 1000 m |
Fruit Type |
Pod |
Habit |
Tree |
Fruit Details |
Pods variable, indehiscent, spirally twisted or rarely almost straight, 7-10 cm long, 6-10 mm broad, longitudinally veined, leathery, glabrous to tomentellous or villous, somewhat constricted between the seeds; seeds oblique or parallel to long axis of pod, 4-7 x 3-6 mm, compressed; areole 3-6 x 2-4 mm. |
Habitat |
It is drought resistant, can tolerate strong salinity and seasonal waterlogging and generally forms open, dry forests in pure stands or mixed with other species. |
Bark Type |
Fissured |
Distribution |
It is native primarily to the Savanna and Sahel of Africa (especially Sudan), but also occurring in the Middle East. |
Bark Details |
Bark grey to black or dark brown, rough, fissured or smooth. young branchlets densely pubescent or glabrous to subglabrous and red to brown. |
Distribution in Haryana |
Bhiwani, Faridabad, Fatehabad, Gurgaon, Hisar, Jind, Karnal, Kurukshetra, M. Garh, Mewat, Palwal, Panipat, Rewari, Sirsa |
Origin |
Exotic |
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Leaf Type |
Compound |
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Leaf Arrangement |
Alternate (leaves born singly along stem) |
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Leaf Shape |
Bi-pinnate |
Description of Species |
It is a small to medium-sized evergreen tree or shrub that grows up to 21 m tall; well-developed multiple boles support a flat-topped or rounded, spreading crown; bark grey to black or dark brown, rough, fissured or smooth; young branchlets densely pubescent or glabrous to subglabrous and red to brown; spines paired, 2 types-long, straight and white, or short, brownish and hooked; they range from 1.2 to 8 cm in length. Leaves glabrous to densely pubescent, glandular, pinnae 2-10 pairs; leaflets 4-22 pairs per pinnae, linear to linear oblong. Inflorescence globose heads; peduncle white, pubescent, 0.4-2.5 cm long, with involucel on the lower half; flowers white or pale yellowish-white, sessile or shortly pedicellate, scented, 0.5-1.1 cm in diameter, on axillary peduncles; calyx 1-2 mm long; corolla 1.5-2.5 mm long. Pods variable, indehiscent, spirally twisted or rarely almost straight. |
Leaf Details |
Leaves glabrous to densely pubescent, glandular, short at 1.25-3.75 cm long; petiole 0.2-0.9 cm long, with a gland; rachis 0.3-2 cm long, glabrous to densely pubescent, with a small gland at the junction of the apical pair of pinnae; pinnae 2-10 pairs; leaflets 4-22 pairs per pinnae, 0.5-4 (6 max.) x 0.2-1 mm, glabrous to densely pubescent on the underside; margins with or without cilia, linear to linear oblong. |
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