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The most striking and unusual feature of the fern is its simple, strap-shaped undivided fronds. The supposed resemblance of the leaves to the tongue of a hart (an archaic term for a male red deer) gave rise to the common name "hart's-tongue fern". Asplenium scolopendrium. Asplenium scolopendrium sori. Asplenium scolopendrium prothallus
Protea scolopendriifolia, also known as the harts-tongue-fern sugarbush [2] or hart's-tongue-fern sugarbush, [3] is a flowering shrub endemic to South Africa, where it occurs in both the Western and Eastern Cape. [2] It is found from the Cederberg, through the Kogelberg, Riviersonderend Mountains and Swartberg, to the Kouga Mountains.
English name Scientific name Status Black spleenwort Asplenium adiantum-nigrum: Native Rustyback Asplenium ceterach: Native Sea spleenwort Asplenium marinum: Native Lanceolate spleenwort Asplenium obovatum: Native Irish spleenwort Asplenium onopteris: Native Wall-rue Asplenium ruta-muraria: Native Hart's-tongue Asplenium scolopendrium: Native ...
Both the scientific name and the common name "spleenwort" are derived from an old belief, based on the doctrine of signatures, that the fern was useful for ailments of the spleen, [4] due to the spleen-shaped sori on the backs of the fronds. "-wort" is an ancient English term that simply means "plant" (compare German-wurz).
hart's-tongue fern (Asplenium scolopendrium) maidenhair spleenwort (Asplenium trichomanes) bracken (Pteridium aquilinum) Larva of another moth, Psychoides filicivora also feed on ferns. It has a pale-brown head and a pale-brown posterial margin, which has a split in the middle, compared with the black head and prothoracic plate of Psychoides ...
Another, between A. pinnatifidum and the tetraploid American hart's-tongue fern (A. scolopendrium var. americanum) yielded peculiar specimens with a long blade, similar in texture and doubled indusia to the hart's-tongue fern, but lengthened and tapering to a point, and not lobed except for two surprisingly large auricles at the base. [32]
Ophioglossum, the adder's-tongue ferns, is a genus of about 50 species of ferns in the family Ophioglossaceae. The name Ophioglossum comes from the Greek meaning "snake-tongue". [ 3 ] Their cosmopolitan distribution is mainly in tropical and subtropical habitats .
Glossopteris (etymology: from Ancient Greek γλῶσσα (glôssa, " tongue ") + πτερίς (pterís, " fern ")) is the largest and best-known genus of the extinct Permian order of seed plants known as Glossopteridales (also known as Arberiales, Ottokariales, or Dictyopteridiales).