Pachypodium

Japanese: パキポジウム（英語表記）Pachypodium

An evergreen or deciduous shrub or small tree (illustration) of the Apocynaceae family found in Africa and Madagascar. The base of the stem is often fleshy and swollen, serving as a water-storing organ. The stems range from aboveground to underground, reaching a height of about 10 m, and are solitary or branched, with cylindrical, spindle-shaped, globular, or blocky shapes. The leaves are usually fasciculated at the ends of the trunk or branches, large, with many parallel lateral veins, and not fleshy. Usually, there is a pair of thorns on each side of the leaf or on the upper edge of the leaf base, although in some species there are three. Many species also have thorns on the branches.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

アフリカとマダガスカルに分布するキョウチクトウ科の常緑または落葉の低木または小高木（イラスト）。しばしば茎の基部が多肉に肥大し，貯水器官となる。茎は地上性で10mくらいになるものから地下性のものまであり，単立または枝を分かち，形は円柱形，紡錘形，球形，岩塊状をなす。葉は普通，幹または枝の先端に束生し，大きく，やや平行の側脈が多数あり，多肉質ではない。通常，葉の両側ないし葉の基部上縁に1対，種によっては3本のとげをもち，多くの種では枝にもとげがある。

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