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In page Ceiba pentandra:

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Saigon, the former name of Ho Chi Minh City, may be derived from Sài (Sino-Vietnamese "palisade" etc.) and the Vietnamese name for the Kapok tree (bông) gòn, although, in this instance, the tree intended to be named may well be, not the New World Ceiba pentandra, but the Old World Bombax ceiba.[citation needed]