云南油料树种硬核野生分布调查

Investigation of Wild Resource of Oil Tree Scleropyrum wallichianum in Yunnan

2013-2014年对硬核在云南的野生资源进行实地调查,结果表明硬核在北纬21°08′-22°50′的勐腊县、景洪市、勐海县、孟连县和西盟县海拔700-1 600 m山地疏林中有野生,海拔900-1 300 m的季风常绿阔叶林中分布较多,种群数量较大,开花结实正常,自然更新能力较强。在所调查的18个样点中,壳斗科植物都属于优势种。

Field investigation of wild Scleropyrum wallichianum was carried out during 2013 to 2014 from 18 sam- pling points in Yunnan province. The results showed that wild S. wallichianum tree is distributed in montane open for- est with altitude from 700m to 1600m and northern latitude from 21°08＂ to 22°50＂in Mengla, Jinghong, Menghai, Mengli- an and Ximeng. It is an ordinary lower-side tree in monsoon evergreen broad-leaved forest from 900 to 1300 m altitude espe- cially. S. wallichianum has well biology characteristics including blossom, fructification, seed germination and growing char- acteristics at the stage of seedling.