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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
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 ...
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.
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 .
Larvae feed from August to June, initially in a whitish mine in the frond, and in the spring they leave the mine and burrow into a sorus, feeding on the sporangia.They later form a loose, portable case from empty sporangia and when fully grown in May the case resembles a misplaced sorus, especially on hart's-tongue fern (Asplenium scolopendrium).
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).
Ophioglossum lusitanicum is a small winter annual fern, and consists of a simple sterile blade attached to a spike-like fertile blade with between three and eight sunken sporangia on either side. The whole plant rarely exceeds a height of 2 cm. [4] This species has a chromosome number of 2n = 250–260. [4]
Ophioglossaceae, the adder's-tongue family, is a small family of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is the only family in the order Ophioglossales, which together with the Psilotales is placed in the subclass Ophioglossidae. [1] The Ophioglossidae are one of the groups traditionally known as ...