tripal/legacy/tripal_contact/theme/templates/tripal_contact_teaser.tpl.php

<?php
$node = $variables['node'];
$contact = $variables['node']->contact; ?>

<div class="tripal_contact-teaser tripal-teaser">
    <div class="tripal-contact-teaser-title tripal-teaser-title"><?php
      print l($node->title, "node/$node->nid", ['html' => TRUE]); ?>
    </div>
    <div class="tripal-contact-teaser-text tripal-teaser-text"><?php
      if ($contact->description) {
        print substr($contact->description, 0, 650);
        if (strlen($contact->description) > 650) {
          print "... " . l("[more]", "node/$node->nid");
        }
      }
      else {
        print $node->title;
      } ?>
    </div>
</div>