The present invention relates to plants of the Cucurbit family and seeds of such plants having an androecious phenotype even though this sex type is not natural in said plants. The invention further relates to the use of the plants and the seeds of plants of the invention. The invention further relates to the nucleic acid sequence responsible for androecy in the plants of the invention and to the polypeptide encoded by said nucleic acid sequence. Finally, the invention relates to methods of identifying the plants and seeds of the invention.