dǎo / yóu / gào / sù / wǒ / men / mǎ / yīng / huā / shì / nán / fāng / cháng / jiàn / de / guān / shǎng / shù / mù导游告诉我们,马缨花是南方常见的观赏树木。The guide told us that the Persian silk tree is a common ornamental tree in southern regions.