Is a relatively rare condition of abnormal growth in vascular plants in which the apical meristem (growing tip), which normally is concentrated around a single point and produces approximately cylindrical tissue, instead becomes elongated perpendicularly to the direction of growth, thus, producing flattened, ribbon-like, crested, or elaborately contorted tissue. The causes aren’t clear – they may be a combination of genetic, hormonal, environmental, fungal, bacterial, and viral factors. What has happened is a condition called fasciation. We’ve also had snakeshead fritillaries with double or more the number of petals they should have. Snakeshead fritillary ( Fritillaria meleagris) with fasciation.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |