It is a cactus icon. In the center there is a cylinder like shape that is wide at the top and thin at the bottom. there is a smaller version of this shape protruding from the upper left and one from the lower right. There are thorns protruding around the entire perimeter.
This is a Cactus icon. We've made it in iOS style
, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 13,300 icons, all in the same style and quality.