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Photographer: Kitty Kohout
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Family Lamiaceae
Collinsonia canadensis L.
Canada horse-balm, northern horse-balm, richweed, stoneroot
Collinsonia: for Peter Collinson, early English botanist
canadensis: of or referring to Canada
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| Status: | Endangered |
| Plant: | erect, perennial, 20"-40" tall, aromatic forb; stems square, branched above; from thick, woody rhizomes |
| Flower: | yellow to white, 5-parted, 1/2" long, irregularly tube-shaped, lower lip fringed, 2 stamens;  ; inflorescence branched spikes of paired flowers; blooms July-Sept. |
| Fruit: | 1-seeded nutlet |
| Leaf: | opposite, toothed, smooth, oblong, several pairs scattered on the stem |
| Habitat: | woods; in rich soil |
| (Glossary) |
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