Hypogynous glands 4 ( or 1-3 or absent ) , free or variously connate .

腺下位4(或者1-3或者缺席)，离生或各种方式合生。

Leaf blade obovate-oblong to broadly oblanceolate , apex acute to shortly acuminate ; hypogynous glands basally connate .

叶片卵状长圆形到宽倒披针形，先端锐尖到短渐尖；下位的腺基部合生。

Flowers bisexual to rarely unisexual , pinkish to white , pendent or erect , actinomorphic and hypogynous , arranged in panicles or racemes .

花两性或很少单性，粉红色或白色，下垂或者直立，辐射对称和下位，组成圆锥花序或者总状花序。

Calyx tube absent , calyx not adnate to ovary ( i.e. , flowers hypogynous ) , sepals free or partly fused , sometimes completely fused in bud , ovary when present free .

萼筒无，花萼不贴生于子房(即，下位的花)，萼片离生或部分有时愈合完全愈合在芽中，离生的当存在时子房。

Visual interface of vcpc-1vacuum counter-pressure casting intelligent control is employed by using delphi language , which appears in the form of window , moreover , it realizes short range control of hypogynous machine and long-distance control of epigynous machine .

采用delphi语言开发了vcpc-1真空差压铸造智能控制的可视化界面，界面以视窗形式弹出，实现了下位机的近程控制和上位机的远程控制；