The surname Nguyen is believed to have originated in the Chinese surname Ruan (in the Mandarin language) or Yuen (Cantonese), owing to Chinaâs long domination over Vietnam.
Tinea nigra is a fungal infection that is mainly seen on the palms of the hands or soles of the feet causing a dark brown to black discoloration of the affected skin. The word tinea means a fungal infection and nigra means black.
Fungal Problems. Fungal problems (like root rot) can also cause leaves to turn brown. In addition you can be feeding your plant well and it wonât be able to absorb the nutrition if its root system is compromised. If the roots of your plant are turning brown or black and feel mushy or slimy this is a sign of root rot.ry moving your anthurium to a slightly less sunny location or try to filter out a portion of the sunlight with a thin, filmy curtain. Or you can have the window next to your anthurium plant tinted. If you use a curtain, remember that it shouldnât block out all of the sunlight. It should only block a portion of it.