Euphorbia sakarahaensis

It is a small caudiciform succulent (caudex), little known for its origin, confined to the Sakaraha forest. It is a low-growing shrub, slightly branched at the base, with long, thin and erect stems, covered with long greyish thorns hidden by small obovate leaves. It blooms with small flowers, ranging in color from yellowish-green to olive brown or brown.