Possible Clues:

• Critical over dismissing lists of duties in plant
• Plant that's disgusting mostly with crab, oddly
• Plant pollinated by a moth
• Southwest desert plant
• Spanish dagger or Adam's needle is a variety of it
• Symbol of New Mexico
• Plant known as Adam’s needle
• Southwestern plant with swordlike leaves
• Precision returns after scrapping vehicle plant
• Unknown quantity at university and at a plant