Terminal buds bear imbricate, scaly buds except in the bitternut hickory which has valvate or foliate buds. |
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The perianth is commonly uniseriate, consisting of 3-5 valvate, basally connate sepals, but sometimes an equal number of petals are also present. |
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The calyx and corolla are both valvate in bud, contrasting with the usual condition in both of the other subfamilies. |
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The flowers display valvate, distinct, or connate sepals and petals. |
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Iteaceae have spirally arranged serrate leaves, rather small flowers with valvate petals in racemose or paniculate clusters, and capsular fruits whose two carpels remain attached by the stigma. |
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A typical palm flower is small, with 3 imbricate sepals, 3 valvate petals, six stamens or staminodes, and 3 uniovulate carpels or a trifid pistillode. |
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