Part of the UNT SEEDS Spring Bioblitz, wonderfully organized by Jen! We were documenting all taxa in randomly selected quadrants. I was focused on the plants.
Finally captured the naturalized flower in the area.
射干 較剪蘭 Blackberry Lily or Iris domestica or Belamcanda chinensis
Reference :
http://herbarium.gov.hk/subpages.aspx?id=5520
http://hkcww.org/hkplant/readid.php?id=2240