Fla. Stat. § 63.042
(2) The following persons may adopt:
(d) A married person without the other spouse joining as a petitioner, if the person to be adopted is not his or her spouse, and if:
1. The other spouse is a parent of the person to be adopted and consents to the adoption; or
2. The failure of the other spouse to join in the petition or to consent to the adoption is excused by the court for reason of prolonged unexplained absence, unavailability, incapacity, or circumstances constituting an unreasonable withholding of consent.
History.--s. 4, ch. 73-159; s. 1, ch. 77-140; s. 1, ch. 80-194; s. 4, ch. 92-96; s. 336, ch. 95-147.