leptarrhena : Idioms & Phrases
genus leptarrhena
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noun one species: leatherleaf saxifrage
Leptarrhena.
WordNet
leptarrhena pyrolifolia
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noun plant with basal leathery elliptic leaves and erect leafless flower stalks each bearing a dense roundish cluster of tiny white flowers; moist places of northwestern North America to Oregon and Idaho
leatherleaf saxifrage.