Zygophyllum caccineum
Kingdom: Plantae
Clade: Angiosperms
Order: Zygophyllales
Family: Zygophyllaceae
Subfamily: Zygophylloideae
Genus :Zygophyllum
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Distribution :east and North africa, Saudi Arabia, Yemen
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Habit :perennial, much-branched shrublet, 30-70 (-80) cm tall, Branches ascending, whitish; young parts usually pubescent-canescent old parts glabrous.
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Leaves :2 foliolate leaflets cylindrical 0.4-1.3 cm long petiole usually longer than leaflets
9-13 mm long petioles 12-25 mm long staminal appendages obtuse or subacute, capsule 7-10 mm long
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Inflrescences:pedicels longer than flowers . Sepals ovate , membranous margined . Petals clawed, c. 7-9 mm long, exceeding the sepals. Stamens 10 ; staminal appendages obtuse , rarely retuse . Capsule 6 - 10 x 4.5-6 mm, cylindrical to ellipsoid, becoming 5-angled at the time of dehiscence, style persistent. Seeds tuberculate wrinkled
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Flower:2-3 at each node, sometimes solitary, bisexual (4-)5-merous, pedicellate
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Fruit: A highly polymorphic species in which leaf - length varies from 8-30 mm including petioles . Also there are variations in the length of fruit - stalk, ranging from 4 to 12 mm. All these variations can be observed in big populations of these species