WordPress at a glance
action is not described

lostpassword_form action-hook . WP 2.1.0

Fires inside the lostpassword form tags, before the hidden fields.

Usage

add_action( 'lostpassword_form', 'action_function_name_5727' );
function action_function_name_5727(){
	// action...
}

Where the hook is called

In file: /wp-login.php
lostpassword_form
wp-login.php 588
do_action( 'lostpassword_form' ); ?>

Where the hook is used (in WP core)

Does not used.