Gina<p>Silver Bush Lupine (Lupinus albifrons) signals pollinators with a color shift: the white banner spot turns purple as the flower ages—faster after pollination—guiding insects to fresher blooms while still drawing them in from afar.</p><p><a href="https://sfba.social/tags/wildflowers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wildflowers</span></a> <a href="https://sfba.social/tags/nature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nature</span></a> <a href="https://sfba.social/tags/wildlife" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wildlife</span></a> <a href="https://sfba.social/tags/california" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>california</span></a> <a href="https://sfba.social/tags/pollinators" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pollinators</span></a></p>