This little chappie sneaks around the greenhouses and pops up wherever it pleases. How it arrived in the first place is a mystery as I've never bought it. Ah well it's not as if it's U. bisquamata (small flowered type)
This one popped up in a D. hamiltonii pot
https://lh3.googleusercontent.com/JoQ72-6QX7-BomshBJbbG3wdQVwkvZUa4ZkOdT-v4k1v7EbK6yjdDtNSpn_LaKQWvgBBaq2IjkkJCmoPeVJLTjks5Ncuca4MiW5TTGePYD4DYhcQeOY8rSO00Lo6Wl3eabSAlZ7KLw=w2400
This one popped up in a D. hamiltonii pot
https://lh3.googleusercontent.com/JoQ72-6QX7-BomshBJbbG3wdQVwkvZUa4ZkOdT-v4k1v7EbK6yjdDtNSpn_LaKQWvgBBaq2IjkkJCmoPeVJLTjks5Ncuca4MiW5TTGePYD4DYhcQeOY8rSO00Lo6Wl3eabSAlZ7KLw=w2400