protandrous

常见例句

The flower is bisexual, hypogynous, and with protandrous, tubular androecium whose anther are fused in a broad ring.
花朵为两性花，子房上位，雄蕊先熟，呈筒状环绕之雄蕊筒，靠近顶端具环带状的花药。
Flowers 4-merous, often protandrous, with floral tube, producing nectar at base of style.
花4瓣，通常具花被管，生产花蜜在花柱基部的。
secondary female A female derived through sex change from a protandrous male.
次级雌鱼源自雄性先熟的雄鱼所变性而来的雌鱼。
protandrous Sequential hermaphrodite in which the fish functions first as a male and then changes to a female.
雄性先熟的雌雄同体的鱼，先有雄性的功能，然后再转变成雌性。
protandrous flower
雄蕊先熟花