no they not
no
tapioca plants
http://www.illinoiswildflowers.info/weeds/plants/yl_sorrel.htm It is possible that it is yellow sorrel. Follow link to see pic.
pink sorrel , passion flower.
Wood sorrel plants have stems that are tinted pink and develop flowers in the spring. They generally flower from May to August. The flowers are normally white with pink streaks, but they do produce red flowers rarely.
The scientific or taxonomic name would be Rumex acetosella.
Sorrel.
tapioca plants
All parts of sheep sorrel (leaves, flowers, roots, and stems) are used medicinally. The leaves and stems should be harvested in the spring or summer before the flowers form. The roots are harvested in the fall.
Not to be eaten in large quantities. Small quantities of the leaves of sheep sorrel may be eaten in salads or boiled as a green vegetable.
Common names for the sheep sorrel plant include red sorrel, field sorrel, sour weed, and dock rumex.
Hetty Sorrel
A sorrel horse is a horse with red based colouring.
In Senegal, they drink fruit juice like mango. They also drinks tea made from red sorrel leaves.
Sorrel Hays was born in 1941.
Sorrel contain oxalic acid.
Moxley Sorrel was born on 1838-02-23.
Moxley Sorrel died on 1901-08-10.