If you test by the triangle's angles, possible types are right, acute, obtuse, or equiangular.

如果您用三角形的角度进行测试，那么可能的类型是直角、锐角、钝角或等角三角形。

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Leaves 15 - 20, ovate to obovate or oblanceolate, acute or obtuse, 6 x 2.7 cm, to 3 mm thick, dark olive green tinged purple, with transverse and longitudinal markings.

叶15～20，卵形到倒卵形或倒披针形，有锐尖或钝圆，6×2.7厘米，3毫米厚，深橄榄绿色微染紫色，有横向和纵向的暗纹。

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A figure with four equal sides forming two inner obtuse Angles and two inner acute Angles; a rhombus or lozenge.

一种带有四个等边构成两个内钝角和两个锐角的图形；菱形或菱形物。

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