Hubert Wilson - Tasha or LaTasha?

Looks can be deceiving.
All that we think we see - we should not be believing!
Taking only five letters into account -
All seven we shoud count!
Seven make her name unique,
Haphazard seeing only five is oblique -
All seven add to her name's mystique!

Hubert Wilson

http://www.poemhunter.com/poem/tasha-or-latasha/