Malva trimestris (L.) Salisb., Prodr. Stirp. Chap. Allerton: 381 (1796) (syn: Althaea africana (Mill.) Borbás ; Althaea trimestris (L.) KuntzeLavatera africana Mill. ; Lavatera alba Medik. ; Lavatera altheifolia Mill. ; Lavatera grandiflora Lam. ; Lavatera meonantha Link ; Lavatera moschata Miergues ; Lavatera pseudotrimestris Rouy ex Cout. ; Lavatera rosea Medik.; Lavatera trimestris L. ; Lavatera trimestris var. brachypoda Pérez Lara ; Lavatera trimestris f. colorata Gattef. & Maire ; Lavatera trimestris var. genuina Cout.Lavatera trimestris var. malviformis Ball ; Lavatera trimestris var. moschata Batt. ; Lavatera trimestris var. pseudotrimestris Cout. ; Malva africana (Mill.) Steud. ; Malva trimestris var. brachypoda (Pérez Lara) Verloove & Lambinon ; Malva trimestris var. moschata (Batt. & Trab.) Iamonico ; Stegia lavatera DC.; Stegia trimestris (L.) Risso; Stegia trimestris var. brachypoda (Pérez Lara) Luque & Devesa);
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Medit.: Algeria, Baleares, Corse, East Aegean Is., France, Greece, Italy, Lebanon-Syria, Morocco, Palestine, Portugal, Sardegna, Sicilia, Spain, Tunisia, Turkey; Introduced into: Baltic States, Belarus, California, Cape Provinces, Central European Russia, Connecticut, Czechoslovakia, East European Russia, Germany, Great Britain, Ireland, Krym, Missouri, Pennsylvania, Primorye, Romania, South European Russia, Texas, Ukraine, Vermont, Vietnam as per POWO;
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SK 4026 25 August 2024 – Malvaceae: 4 very high res. images.
Location: Mulkharka, Shivapuri, Kathmandu, Nepal.
Date: 30 July 2024
Altitude: 1936m.
Habitat : Cultivated


Pl. check
https://efloraofindia.com/2011/01/18/malva/ or related genus.


That is already done before posting which I always do but no match

and Malvaceae do not cover all species in efi. That is difficulty.
I tried checking keys in eFlora, but did not succeed much (May be because it is a cultivated species).
Calyx appears like that of a Lavatera as in:

Malva trimestris ‘Alba’


 

 


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References:
POWO  Catalogue of Life
https://es.dreamstime.com/mallow-real-malva-trimestris-alba-cierre-de-la-inflorescencia-herbario-virtual-flora-belarusa-encubrimientos-concentrados-plantas-image245090963