We were alerted yesterday by Jon at the DC Traveler that the mighty Titan Arum has begun blooming at the US Botanic Garden. He was, no doubt, tipped off by the oh-so-lovely smell of rotting corpse wafting through his window, which the flower uses to attract meat-loving (at least, meat-stench-loving) bugs to pollinate it. The giant, odorous plant seems to be falling into habit, blooming every two years since 2003 — before that it hadn’t…