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大葉紫薇－－王民聲 又名大花紫薇
英文名稱：Lagerstroemia speciosa
科 ：千屈菜科
原產地 ：亞洲熱帶
葉 ：葉大如白蕳葉，單葉、長橢圓形，先端尖，平滑冇毛。中肋側脈明顯。
花 ：圓錐花序頂生、花大紫色、黃色花蕊，花期5-8月。
果 ：蒴果、果期10-11月。
特徵 ：落葉喬木，傘狀樹冠，直立主幹，高十五公尺、春萌新芽。葉芽黃褐色、一串一串紫花、覆蓋枝頭，把行人路點綴成花廊。適合公園、庭院、校園、路邊種植，花大色艷、花期長、極具觀賞價值。
栽培 ：喜日照、濕潤、耐旱、肥沃、疏鬆、排水良好微酸性泥土。適溫
20℃－30℃。
繁殖 ：種子、扦插法。
Lagerstroemia speciosa - Wong Man Sing
English name : Lagerstroemia speciosa
Family: Lythraceae
Origin : tropical Asia
Leaves: leaves as big as a white Jian leaves , leaf , oblong , apex acute,smooth hairless . Rib lateral veins obvious.
Flowers: Inflorescence terminal , a large purple flower , yellow flower ,flowering from May to August .
Fruit: Capsule , fruit from October to November .
Features:deciduous tree , umbrella canopy , upright trunk , fifteen meters high ,sprouting new shoots in spring . Buds brown, purple string of a string ,covered with branches, the footpaths dotted flower Gallery . Suitable forparks, gardens , schools, roadside planting , flower big colorful, longflowering period , highly ornamental value.
Cultivation : hi sunshine , moist , drought, fertile, loose , well-drainedacidic soil. Optimum temperature
20 ℃ -30 ℃.
Propagation: seeds, cuttings law .