spinach

A particular edible plant, Spinacia oleracea, or its leaves.

Chinese spinach, red spinach (Amaranthus dubius)

Malabar spinach red vine spinach, creeping spinach, climbing spinach, vine spinach, buffalo spinach, Ceylon spinach (Basella alba)

mountain spinach (Atriplex hortensis)

mustard spinach (Brassica juncea)

New Zealand spinach (Tetragonia tetragonioides, syn. Tetragonia expansa)

Okinawan spinach (Gynura bicolor)

Sissoo spinach (Alternanthera sissoo)

strawberry spinach (Chenopodium capitatum)

water spinach (Ipomoea aquatica)

(South Africa) wild spinach, African spinach (various nightshade, legume, and Cucurbitaceae species)

spinach beet, perpetual spinach (Beta vulgaris: chard)

Navajo spinach (Cleome serrulata)

Lincolnshire spinach (Blitum bonus-henricus, syn. Chenopodium bonus-henricus: Good King Henry)

French spinach, mountain spinach (Atriplex spp., Chenopodium rubrum)

spinach dock (Rumex acetosa: common sorrel, garden sorrel)

tree spinach:

Cuban spinach (Claytonia perfoliata, syn. Montia perfoliata)

Cape spinach (Emex australis), which bears thorny seeds

red spinach (Trianthema triquetra)

Plants with spinach-like leaves that have medicinal use

cholesterol spinach, Mollucan spinach (Gynura nepalensis)