pentstemon
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pentstemon
(pɛntˈstiːmən) orpenstemon
n
(Plants) any scrophulariaceous plant of the North American genus Penstemon (or Pentstemon), having white, pink, red, blue, or purple flowers with five stamens, one of which is bearded and sterile
[C18: New Latin, from penta- + Greek stēmōn thread (here: stamen)]
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