*Cucurbita maxima* Duchesne Annual climber with sparsely prickly stems, orbicular or reniform less lobed leaves, flowers large with spreading or drooping lobes and spongy pedicel neither ridged nor enlarged at tip. Numerous cultivars are available. Here are some of them:
<https://lh3.googleusercontent.com/-frpSsj_yjYE/T3xfKjroGQI/AAAAAAAAAvY/CmwKGVhLqNc/s1600/Cucurbita-maxima-Big+mac+pumpkin--P1030757-California-1.jpg> Cucurbita-maxima-Big mac pumpkin--P1030757-California-1 <https://lh3.googleusercontent.com/-cyYfRXomYBs/T3xfh2ybXJI/AAAAAAAAAvk/bFtvEZUjTuI/s1600/Cucurbita-maxima-Buttercup+squash-b-P1030763-California-1.jpg> Cucurbita-maxima-Buttercup squash-b-P1030763-California-1 <https://lh3.googleusercontent.com/-iNfOi5UJMGo/T3xiSEmaxGI/AAAAAAAAAwI/QJRlsbT_5YI/s1600/Cucurbita-maxima-Cinderella+pumpkin-California-1.jpg> Cucurbita-maxima-Cinderella pumpkin-California-1 Gurcharan Singh
