1.Calyx cup-shaped, almost truncate, outside pulverulent pubescent.
花萼杯状,几乎截形,外面粉状短柔毛。
2.Seeds 2 per valve, brown-yellow, semiellipsoid, 2--3 mm, flat on 1 surface, irregularly pitted, truncate at 1 end.
种2每裂片,棕色黄,半椭圆形,2-3毫米,平在1面,不规则具洼点,截形在1末端。
3.By using active set strategy, the authors need only to solve a reduced trust region subproblem which is solved inexactly by the truncated conjugate gradient method.