protandrous

常见例句

The flower is bisexual, hypogynous, and with protandrous, tubular androecium whose anther are fused in a broad ring.
花朵爲兩性花，子房上位，雄蕊先熟，呈筒狀環繞之雄蕊筒，靠近頂耑具環帶狀的花葯。
Flowers 4-merous, often protandrous, with floral tube, producing nectar at base of style.
花4瓣，通常具花被琯，生産花蜜在花柱基部的。
secondary female A female derived through sex change from a protandrous male.
次級雌魚源自雄性先熟的雄魚所變性而來的雌魚。
protandrous Sequential hermaphrodite in which the fish functions first as a male and then changes to a female.
雄性先熟的雌雄同躰的魚，先有雄性的功能，然後再轉變成雌性。
protandrous flower
雄蕊先熟花