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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
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 .
Ophioglossum vulgatum, commonly known as adder's-tongue, [1] southern adder's-tongue or adder's-tongue fern, is a species of fern in the family Ophioglossaceae. [ 2 ] The chloroplast genome was reported to have a size of 138,562 base pairs.
The larva is yellowish white with a brownish dorsa line and has a black head and black prothoracic plate. [2] The following ferns have been recorded as food plants, [3] [4] rustyback (Asplenium ceterach) wall-rue (Asplenium ruta-muraria) hart's-tongue fern (Asplenium scolopendrium) maidenhair spleenwort (Asplenium trichomanes) bracken ...
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).
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 ]
Zealandia pustulata is a species of fern native to eastern Australia and New Zealand. [2] It is commonly referred to as 'kangaroo fern' or 'kangaroo paw fern' as its native range includes Australia and the shape of its mature foliage tends to resemble the shape of a kangaroo's foot.
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]