In addition to the usual suspects, I am particularly fond of lotus root. I also love Jerusalem artichokes (sun chokes), jicama, and celery root.
But I do love my greens too; they just tend to be less obscure (broccoli, spinach, asparagus, etc).
And I never met a roasted veggie that I didn't love.
Hoping to earn the user name NoYoyoMa...