The Morphological and Anatomical Structure of Seeds of Allium Stipitatum Regel and Allium Giganteum Regel (Amarillidaceae)

Abdullaeva Akida Tillaevna

Abstract: For the first time, the structure of the seeds of Allium stipitatum (Persian shallot) and Allium giganteum (giant onion) from Tashkent Botanical Garden was studied, and the following diagnostic features of this species were described the seeds consists of external and internal integuments and endosperm, the outer integument has a melanin in its content and forms a powerful melanin crust, the outer integument protects the underneath cellular structure called parenchyma, inner integument serves as a good cuticle, large nuclei occurs in the endosperm. The embryo is cylindrical and equal to the endosperm. Cotyledon is large and forms the bulk of embryo mass. Research results show the adaptation capacity of the studied features to the habitat conditions.

Keywords: anatomy, seed, introduction, Allium giganteum, A stipitatum