Groundbreaking disease package. Lioness is a green-stemmed yellow straightneck squash that has tolerance to ZYMV, WMV II, papaya ringspot virus and CMV. This pioneering squash variety is the first of its type with traditionally bred tolerance to these four viruses that can decimate your crop. The medium-sized plant offers good yields of straight fruit that have a medium-sized bulb at the blossom end. Note: The young fruit have a noticeable green cast to them. The green color partially disappears as the fruit ripen. Mature fruit have a light greenish cast to them.