glasswort

(noun) bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash. Synonyms: saltwort, barilla, kali, kelpwort, Salsola kali, Salsola soda.

(noun) fleshy maritime plant having fleshy stems with rudimentary scalelike leaves and small spikes of minute flowers; formerly used in making glass. Synonyms: samphire, Salicornia europaea.