On My Balcony

On my balcony is a special plant with a special flower. It's special because it's quite large, will only open at night, and will only open for one night before expiring. In Chinese it's called tanwha, but it's otherwise known as Broad-leaved Epiphyllum, or Epiphyllum oxypetalum. I checked last night while I was moongazing, but it wasn't ready to show off. Perhaps this evening............