Alyssum marginatum Steud. ex Boiss.  

Family: Brassicaceae
Genus: Alyssum
Species: Alyssum marginatum Steud. ex Boiss.
Classification
Kingdom : Plantae
Phylum :Tracheophyta
Class :Magnoliopsida
Order :Brassicales
Family :Brassicaceae
Genus :Alyssum
Species:  Alyssum marginatum Steud. ex Boiss.
Synonyms:
Alyssum argaeum Bornm. (synonym)
Alyssum compactum De Not. ex Ces. (synonym)
Alyssum cryptopetalum Bunge (synonym)
Alyssum glomeratum Burch. ex DC. (synonym)
Alyssum leiocarpum Pomel (synonym)
Alyssum marginatum Steud. ex Boiss. (synonym)
Alyssum ponticum Velen. (synonym)
Alyssum potemkini Akinf. (synonym)
Alyssum psilocarpum Boiss. (synonym)
Alyssum psilocarpum var. leiocarpum (Pomel) Batt. (synonym)
Botanical Description :
branches somewhat thickened below the infructescence, plants short, up to 10 cm tall in fruit; leaves oblong-spathulate, forming an involucre below the inflorescence; flowers minute with linear short petals, about as long or shorter than sepals, hardly or not emarginate at apex; siliculae broadly ovate orbicular, c. 4 mm long, 3.5 mm broad with slightly retuse apex; valves slightly to distinctly unequally inflated; style inconspicuous, hardly 0.3 mm long.
Flower/Fruit: Fl. Per.: March June.