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Photographer: Craig Rekoske
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Family Scrophulariaceae
Penstemon tubaeflorus Nutt.
tube beard-tongue, tube penstemon, white wand beard-tongue
Penstemon: from the Greek pente, "five," and stemon, "stamen," for the fifth stamen, referring to the staminode, or just an allusion to the fact that it has five stamens
tubaeflorus: trumpet-shaped flower
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| Status: | Introduced - adventive |
| Plant: | erect, perennial, 12"-40" tall forb, smooth below the inflorescence |
| Flower: | white, 5-parted, 1/2"-1" long, tubular, lips similar, tube much longer than the lobes and flaring gradually toward the top, finely hairy inside and outside, 5 stamens (1 infertile); inflorescence a 4"-12" cylindrical, often interrupted, short-branched cluster; blooms May-June |
| Leaf: | opposite, smooth |
| Habitat: | moist; prairies, woods |
| (Glossary) |
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