Possible Clues:

• Plant Cockney poet found outside hotel
• Member of the goosefoot family, often used in the same way as spinach
• Edible spinach-like plant of the genus Atriplex that thrives in arid areas
• … partly for a chemical plant
• It can replace spinach or pine
• Men long for vegetable
• Spinachlike potherb
• Vegetable plant that's a golden colour — and long
• Plant of the goosefoot family sometimes used as substitute for spinach
• Plant old girl cut short