Vi fant 1 definisjoner av screw augur på engelsk.
Noun |
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| screw augur - an orchid of the genus Spiranthes having tall erect densely flowered spiraling clusters of creamy white vanilla-scented flowers; widely distributed especially in low damp places of eastern and central North America | ||
| Spiranthes cernua | ||
| ladies' tresses, lady's tresses an orchid of the genus Spiranthes having slender often twisted spikes of white flowers | ||