穂 is a variant glyph of
穗 (suì, 'ear of grain / tassel'). It's the standard form in Japanese (where it's read 'ho' or 'sui' and used in names like
美穂 Miho or
千穂 Chiho). In modern Mainland Chinese the standard form is
穗 —
穂 mostly turns up in Japanese names and Korean Hanja contexts.
穗 also serves as the abbreviation for Guangzhou (
广州).