
1) Southern holly 2) Type of holly
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https://www.crosswordclues.com/clue/yaupon

• (n.) A shrub (Ilex Cassine) of the Holly family, native from Virginia to Florida. The smooth elliptical leaves are used as a substitute for tea, and were formerly used in preparing the black drink of the Indians of North Carolina. Called also South-Sea tea.
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http://thinkexist.com/dictionary/meaning/yaupon/

(from the article `holly`) ...(10 feet), produces scarlet berries among shining, evergreen leaves. Japanese holly (I. crenata), an East Asian shrub growing to 6 m (20 feet), ...
Found on
http://www.britannica.com/eb/a-z/y/5
Yau'pon noun (Botany) A shrub (
Ilex Cassine ) of the Holly family, native from Virginia to Florida. The smooth elliptical leaves are used as a substitute for tea, and were formerly used in preparing the
black drink of the Indians of North Carolina. Called also
South-Sea tea ....
Found on
http://www.encyclo.co.uk/webster/Y/2

a holly shrub or small tree, Ilex vomitoria, of the southern U.S., having bitter leaves that are sometimes brewed as a tea.
Found on
https://www.infoplease.com/dictionary/yaupon
No exact match found.