美洲花椒（等于toothache tree）

Prickly ash \Prickly ash\ (Bot.),
1. A prickly shrub ({Xanthoxylum Americanum}) with yellowish
flowers appearing with the leaves; also called {toothache
tree}. All parts of the plant are pungent and aromatic.
The southern species is {Xanthoxylum Carolinianum}.
--Gray.

2. (Bot.), {Hercules'-club}, also called the {Angelica tree}.
[PJC]


Ash \Ash\ ([a^]sh), n. [OE. asch, esh, AS. [ae]sc; akin to OHG.
asc, Sw. & Dan. ask, Icel. askr, D. esch, G. esche.]
1. (Bot.) A genus of trees of the Olive family, having
opposite pinnate leaves, many of the species furnishing
valuable timber, as the European ash ({Fraxinus
excelsior}) and the white ash ({Fraxinus Americana}).

{Prickly ash} ({Zanthoxylum Americanum}) and {Poison ash}
({Rhus venenata}) are shrubs of different families,
somewhat resembling the true ashes in their foliage.

{Mountain ash}. See {Roman tree}, and under {Mountain}.

2. The tough, elastic wood of the ash tree.

Note: Ash is used adjectively, or as the first part of a
compound term; as, ash bud, ash wood, ash tree, etc.

Hercules'-club \Hercules'-club\, Hercules'-club
\Hercules'-club\, Hercules-club \Hercules-club\prop. n.
1. (Bot.) A densely spiny ornamental tree ({Zanthoxylum
clava-herculis}) of the rue family, growing in southeast
U. S. and West Indies. [WordNet sense 1]

Note: It belongs to the same genus as one of the trees
({Zanthoxylum Americanum}) called {prickly ash}.

Syn: Hercules'-clubs, Hercules-club, {Zanthoxylum
clava-herculis}.
[1913 Webster + WordNet 1.5]

2. A small, prickly, deciduous clump-forming tree or shrub
({Aralia spinosa}) of eastern U.S.; also called {Angelica
tree} and {prickly ash}. [WordNet sense 2]

Syn: American angelica tree, devil's walking stick, {Aralia
spinosa}.
[1913 Webster + WordNet 1.5]

3. A variety of the common gourd ({Lagenaria vulgaris}). Its
fruit sometimes exceeds five feet in length.