aspleniaceae
- One of a number of families into which polypodiaceae has been subdivided in some classification systems; includes genera asplenium, pleurosorus, schaffneria
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#definition #aspleniaceae #meaning #english #ielts
Photo of the fronds of a fern. All along the veins of the fronds are tiny plantlets, which will root into the ground when the mother frond dies. Photo by Scott Zona CC BY-NC 2.
Plants, unlike vertebrate animals, often reproduce asexually. (Some call it “multiplication” to distinguish it from sexual reproduction.) What is the outcome? Clones! Asexual offspring are clones of the mother. Here’s Woodwardia orientalis making plantlets. #clone #Aspleniaceae #botany 🌾🧪🌱
Photo of a fern growing on a vertical face of reddish rock.
Perhaps the strangest hyperaccumulators are those that sequester Rare Earth Elements (Y, La, Ce, et al.) Blechnum orientale (📷: Leon Perrie CC BY 4) in Indonesia has been found to take up REEs up to 3000 μg/g. Crazy! doi.org/10.1007/s111... #Aspleniaceae #heavymetal #Botany #PlantScience 🌾🧪
2 familiar litter-trappers are the bird's-nest fern (Asplenium nidus; #Aspleniaceae) & the staghorn fern (Platycerium spp., #Polypodiaceae; P. superbum, Martin Rady ccby4). The former traps litter in its funnel-shaped crown; The latter has specialized shield leaves that form the trap. #litter 2/6
