V. nilotica has bipinnate leaves, 3-6 pairs of pinnulae and 10-30 pairs of leaflets with rounded tips, green, tomentose and rachis with glands on the underside of the last pair of pinnulae.
Flowers on the head round, 1.2-1.5 cm in diameter, bright yellow, in the armpit or coiled on a stalk 2-3 cm long located at the end of the branch. The pods are very limited, hairy, white-grey, thick and soft tomentose.
Egyptian acacia can thrive in dry areas and flooded areas with an elevation of 10-1340 meters, tolerant of an annual rainfall of 3.8 dm, an annual temperature of 18-50C and a soil pH of 5-8.
Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Fabales
Family: Fabaceae
Subfamily: Mimosoideae
Genus: Vachellia
Species: Vachellia nilotica
Subspecies: Vachellia nilotica ssp. adstringens, Vachellia nilotica ssp. cupressiformis, Vachellia nilotica ssp. hemispherica, Vachellia nilotica ssp. indica, Vachellia nilotica ssp. kraussiana, Vachellia nilotica ssp. leiocarpa, Vachellia nilotica ssp. tomentosa
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