What is "hibiscus sabdariffa"

Roselle \Ro*selle"\, n. (Bot.) a malvaceous plant ( Hibiscus Sabdariffa) cultivated in the east and West Indies for its fleshy calyxes, which are used for making tarts and jelly and an acid drink.

Sorrel \Sor"rel\, n. [F. surelle, fr. sur sour, fr. OHG. s?r sour. See Sour.] (Bot.) One of various plants having a sour juice; especially, a plant of the genus Rumex, as Rumex Acetosa, Rumex Acetosella, etc. Mountain sorrel. (Bot.) See under Mountain. Red sorrel. (Bot.)

1. A malvaceous plant ( Hibiscus Sabdariffa) whose acid calyxes and capsules are used in the West Indies for making tarts and acid drinks.

2. A troublesome weed ( Rumex Acetosella), also called sheep sorrel.

   Salt of sorrel (Chem.), binoxalate of potassa; -- so called because obtained from the juice of Rumex Acetosella, or Rumex Axetosa.

   Sorrel tree (Bot.), a small ericaceous tree ( Oxydendrum arboreum) whose leaves resemble those of the peach and have a sour taste. It is common along the Alleghanies. Called also sourwood.

   Wood sorrel (Bot.), any plant of the genus Oxalis.