- Rydberg's penstemon as a noun:
- 1
Rydberg's penstemon
noun
1 Rydberg's penstemon
Plant with whorls of small dark blue-violet flowers; Washington to Wyoming and south to California and Colorado.
synonym: Penstemon rydbergii.
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noun
Plant with whorls of small dark blue-violet flowers; Washington to Wyoming and south to California and Colorado.
synonym: Penstemon rydbergii.
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