what features does this character have?
Her character has been called "reliable, trustworthy, timid, and apprehensive" .The character has also been described as an "innocent young intern" she knows how to make good relationships
Lexie Grey
Leigh's character has been called "reliable, trustworthy, timid, and apprehensive" by "Grey's Anatomy" executives. In her early appearances, it was revealed that Lexie has a photographic memory, which she applied to her surgical career. This led her to being nicknamed "Lexipedia" by Alex Karev. The character has also been described as an "innocent young intern" by Alex Keen of "The Trades".

Of the character, Leigh said: "She's a very vulnerable person from a very healthy background—she knows how to make good relationships but at this point [season four], she's coming into so much opposition she's trying to adjust to it."
when does lexie come in grey's anatomy The character is introduced in season three
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Lexie Grey [SEP] Characterization
Leigh's character has been called "reliable, trustworthy, timid, and apprehensive" by "Grey's Anatomy" executives. In her early appearances, it was revealed that Lexie has a photographic memory, which she applied to her surgical career. This led her to being nicknamed "Lexipedia" by Alex Karev. The character has also been described as an "innocent young intern" by Alex Keen of "The Trades". Of the character, Leigh said: "She's a very vulnerable person from a very healthy background—she knows how to make good relationships but at this point [season four], she's coming into so much opposition she's trying to adjust to it." Debbie Chang of "BuddyTV" commented on Lexie's early characterization, including her sexual relationship with Karev: Similarities have been established between Lexie and Meredith.