Dogtail

 (狗尾草; pinyin: gǒuwěicǎo) is a plant in Plants vs. Zombies: All Stars. is an upgrade to Cattail and is based on the Setaria viridis. It is also Foxtail's downgrade. It attacks zombies by shooting five long spikes at them at once.

Plant Food upgrade
Scan Wound: Shoots a lot of big spikes raining down on the enemy with the lowest health. It requires Brave Plant Food to activate.

Trivia

 * , Cattail, Snapdragon, Water Dragon, Beeshooter, Liontail, Guacodile, Toadstool, Foxtail, Twin Head God Dragon Grass, and Lizard Grass are the only plants that are based on animals.
 * may be the opposite of Cattail.
 * It may also be a reference to Cattail's Almanac entry in the first game, as Cattail, despite its name, is actually a dog.
 * Cattail, Liontail, and have the element of Earth (the attack is Earth too), but they use the slingshot for water elemental plants as weapons.