Ziziphus spina-christi var. aucheri (Boiss.) Qaiser & Nazim., Fl. Pakistan 140: 16 1981. (syn: Ziziphus aucheri Boiss.);
Iran, Pakistan (Baluchistan, Rawalpindi) as per Catalogue of Life;
Mansfeld’s Encyclopedia of Agricultural and Horticultural Crops …, Volume 1 By Rudolf Mansfeld (Cultivated in N. India)
Ziziphus spina-christi (L.) Willd., Sp. Pl. 1:1105. 1798.
Syn: Rhamnus spina-christi L.
Medium sized tree with glabrous leaves like Z. jujuba, but ovate-elliptic to orbicular in shape, obtuse at apex; spines paired, one erect, c. 2 cm long, the other recurved 5-8 mm long,; infl. tomentose with woolly pedicels.
Clicked from Samba, J & K.
This is a very common tree in Oman.
Catalogue of Life lists three varieties. Out of which Ziziphus spina-christi var. aucheri (Boiss.) M.Qaiser & S.Nazimuddin is reported from Pakistan.
As per keys in Flora of Pakistan, it should be Ziziphus spina-christi var. aucheri (Boiss.) Qaiser & Nazim.
…, leaves are totally glabrous, so it should be type variety only
In your 1st images, I see ‘Leaves pubescent or at least pubescent at nerves beneath’
Yes … you are right.
Was it a cultivated one ?
Don’t remember now, roadsides in a small town
Catalogue of Life The Plant List Ver.1.1 Tropicos IPNI