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Ebony Spleenwort (Asplenium platyneuron)

Ebony spleenwort, scientifically known as Asplenium platyneuron, is a charming fern with a unique appeal. It's also known as brownstem spleenwort.

Taxonomy and Nomenclature

• Scientific Name: Asplenium platyneuron
• Synonym: Asplenium ebeneum
• Family: Aspleniaceae
• Other Scientific Names: Acrostichum platyneuros, Asplenium ebeneum

Distribution and Habitat

This fern is native to North America, primarily east of the Mississippi. It thrives on rocky slopes with thin soil, sometimes even on bare rock or mortar. It's also found in Georgia and Minnesota.

Morphological Characteristics and Growth Habits

• Ebony spleenwort is a small evergreen fern, typically growing to a height of 15-25 cm (approximately 6-10 inches), though it can reach up to 15 inches tall..
• It is a perennial fern consisting of individual or small tufts of simple-pinnate leaves.
• Individual leaves are 1-2 inches across and 2 to 20 inches long with alternate, narrowly triangular "eared" shapes.
• The fertile fronds are longer and more erect than the sterile fronds.
• The stalk turns a shining black color with age.
• Culms are short, thick rhizomes.

Quirky Facts

• The name "ebony" refers to the stalk's color, which turns a shining black with age.
• The common name "spleenwort" is derived from the supposed resemblance of its shape to the human spleen, leading early herbalists to believe it had medicinal properties related to that organ.