Acacia nigrescens (is a perennial deciduous tree. )
|Scientific classifications [Edit]|
|Specific epithet ?||nigrescens|
|Knob Thorn (South Africa)|
References  ?
- Daylilys get their common name from their habit of producing new flowers in the morning that die by nightfall. This is not very noticeable because new flowers are immediately produced from the same flower stalk. However, a few cultivars do the same thing only at nighttime!
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