1·Aggregate long ellipsoid, 13 cm long, 9 cm in diameter; pericarp with glaucous lenticels.
聚合果长椭球形，长达13厘米，直径约9厘米，外果皮有苍白色皮孔。
2·Exception occurred on Glaucous oak with an increase in stem mass ratio under higher light.
相对地，对茎、叶部分配比例则减少，惟青刚栎之茎重率有随光量上升而增加的趋势。
3·Plant shrubby, caudex branching, to 50 cm tall or more, 8-15 mm thick, pale green and glaucous above, darker below, leaf scars lenticular.
植株灌木型，茎多分枝，可长至50厘米高或更高，茎干8到15毫米粗，淡绿色，有白霜，近根处色深暗，叶痕呈双凸形。
4·Leaves obovate-spatulate, cuspidate, 1,5 – 3 x 0,8 – 2,5 cm wide at the widest part, glaucous bluish-grey, often red-flecked beneath, margins reddish.
叶：倒卵状匙形，尖，1.5 - 3厘米长，0.8 - 2.5厘米宽（在最宽的部分），叶为带有白霜的蓝灰色，叶背面常有红色斑点，叶缘红色。
5·Mexican epiphytic orchid with glaucous gray-green leaves and lemon - to golden-yellow flowers appearing only partially opened; sometimes placed in genus Cattleya.
墨西哥的一种附生兰花，叶绿灰色，花半开、从柠檬色到金黄色；有时归入卡特兰属。