| 释义 | kneif·fia \ˈnīfēə\ noun
 Usage: capitalized
 Etymology: New Latin, from F. G. Kneiff died 1832 German physician and botanist + New Latin -ia
 in some classifications  : a genus of No. American day-blooming herbs (family Onagraceae) having stamens of unequal length and a 4-angled ovary and often included in Oenothera — compare sundrops
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