epigean

常见例句

Germination epigeal;cotyledons plicate.
发芽时子叶出土子叶折扇状。
Cotyledons usually 2, rarely 3-6.Germination epigeal.
子叶通常2，很少3-6。
Fruit a small, winged nutlet, indehiscent; germination epigeal; female spike 10- to numerous flowered, pendulous.
果一小，具翅，不裂；发芽时子叶出土雌性穗状花序10-对许多花，下垂。(6
Fruit a small, flattened, narrowly 2-winged nutlet, 2-chambered at base.Germination epigeal.
果小，扁平，有2狭翅，基部有2室。
Rapid elongation of the hypocotyls after germination pushes the cotyledons above ground in plants showing epigeal germination.
种子萌发后下胚轴迅速增长，将子叶顶出地面形成地上芽。
They form the first photosynthetic organ in seeds showing epigeal germination, e.g. sunflower (Helianthus) but in others they remain underground.
有些种子的子叶在种子萌发后露出土面，进行短期的光合作用，如向日葵（Helianthus），但在另一些植物中子叶仍然在地下。