Cyclosorus interruptus

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Cyclosorus interruptus
Cyclosorus interruptus (5187997370).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Thelypteridaceae
Genus: Cyclosorus
Species:
C. interruptus
Binomial name
Cyclosorus interruptus
Synonyms
  • Cyclosorus gongylodes

Cyclosorus interruptus, the Hottentot fern [1] or swamp shield-fern, is a fern in the family Thelypteridaceae. It is native to the tropics and subtropics in many parts of the world. [2] In the New World, it is found from Mexico to Argentina, and in the Antilles. [3] In the Old World, it is found in India, China, Malaysia, Sri Lanka [4] and South Africa. It is also found in Australia, New Zealand, Hawaii and other islands in the Pacific Ocean. The various populations differ with respect to genetic cytotypes, glands, pubescence, and frond size. [3] Its habitat is the vicinity of freshwater swamps and it may reach 1 m (3 ft 3 in) in height.

Contents

History

Detail of a pinna Cyclosorus interruptus, frond-detail, Iphithi NR.jpg
Detail of a pinna

In 1770 during the first voyage of James Cook, it was collected by Joseph Banks and Daniel Solander not far from Botany Bay. [5] Despite urbanization, it still occurs in a park in the Sydney bayside suburb of Monterey. The specific epithet interruptus is from the Latin, and refers to the sori. [6] The sori are in zig-zag rows or a v-shaped series along the frond margins, and are protected by a hairy, round or kidney shaped indusium. [7]

This plant appeared first appeared in the scientific literature as Pteris interrupta in 1794, published by the German taxonomist Carl Ludwig Willdenow. In 1810, it also appeared in the Prodromus Florae Novae Hollandiae as Nephrodium propinquum, authored by the prolific Scottish botanist Robert Brown. However, this plant has undergone considerable review, name changes, and taxonomic debate. [8]

Cultivation

C. interruptus is likely to be a useful landscape plant if kept damp and in gardens free of frost. [9] There are reports that the rhizome is edible. [6]

Uses as herbal medicine

C. interruptus is used in herbal medicine for sores, liver diseases, gonorrhea, cough, and malaria. [10]

Related Research Articles

<span class="mw-page-title-main">Thelypteridaceae</span> Family of ferns

Thelypteridaceae is a family of about 900 species of ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016, it is placed in the suborder Aspleniineae. Alternatively, the family may be submerged in a very broadly defined family Aspleniaceae as the subfamily Thelypteridoideae.

<i>Platycerium</i> Genus of ferns

Platycerium is a genus of about 18 fern species in the polypod family, Polypodiaceae. Ferns in this genus are widely known as staghorn or elkhorn ferns due to their uniquely shaped fronds. This genus is epiphytic and is native to tropical and temperate areas of South America, Africa, Southeast Asia, Australia, and New Guinea.

<i>Onoclea sensibilis</i> Species of fern

Onoclea sensibilis, the sensitive fern, also known as the bead fern, is a coarse-textured, medium to large-sized deciduous perennial fern. The name comes from its sensitivity to frost, the fronds dying quickly when first touched by it. It is sometimes treated as the only species in Onoclea, but some authors do not consider the genus monotypic.

<i>Osmunda regalis</i> Species of fern

Osmunda regalis, or royal fern, is a species of deciduous fern, native to Europe, Africa and Asia, growing in woodland bogs and on the banks of streams. The species is sometimes known as flowering fern due to the appearance of its fertile fronds.

<i>Banksia robur</i> Species of shrub in the family Proteaceae from the east coast of Australia

Banksia robur, commonly known as swamp banksia, or less commonly broad-leaved banksia, grows in sand or peaty sand in coastal areas from Cooktown in north Queensland to the Illawarra region on the New South Wales south coast. It is often found in areas which are seasonally inundated.

<i>Asplenium australasicum</i> Species of fern in the family Aspleniaceae

Asplenium australasicum, the bird's nest fern or crow's nest fern, is an epiphytic Australasian species of fern in the family Aspleniaceae.

<i>Notogrammitis billardierei</i> Species of fern

Notogrammitis billardierei, also known as the common finger-fern, or common strap fern, is a small epiphytic or lithophytic fern [1] with small, strap like fronds, found commonly in wet forest in South-Eastern Australia and New Zealand.

<i>Calochlaena dubia</i> Species of fern

Calochlaena dubia, commonly known as soft bracken, false bracken, common ground fern or rainbow fern, is a small Australian fern in the treefern family Dicksoniaceae. It is very common within its range, and often seen growing under eucalyptus forest, often on the poorer quality soils. It is an easy plant to grow in the garden.

<i>Adiantum hispidulum</i> Species of fern

Adiantum hispidulum, commonly known as rough maidenhair fern or five-fingered jack, is a small fern in the family Pteridaceae of widespread distribution. It is found in Africa, Australia, Polynesia, Malesia, New Zealand and other Pacific Islands. Its fronds rise in clumps from rhizomes among rocks or in the soil in sheltered areas.

<i>Hymenophyllum australe</i> Species of fern

Hymenophyllum australe, commonly known as austral filmy fern, is a relatively large rupestral and epiphytic fern, indigenous to eastern Australia and New Zealand. It belongs to the unique Hymenophyllum genus, which are characterised by their thin membranous fronds that are seldom more than one cell thick, with the exception of regions over and around veins. Hymenophyllum australe is distinctive in that the fronds are typically thicker than other Hymenophyllum species, often being up to 2-3 cells thick.

<i>Alsophila leichhardtiana</i> Species of fern

Alsophila leichhardtiana, synonym Cyathea leichhardtiana, the prickly tree fern, is a plant in the tree fern family, Cyatheaceae, found in eastern Australia. It is a common species found in moist situations, in and near rainforests. It was named in honour of the explorer and botanical collector Ludwig Leichhardt.

<i>Cyclosorus</i> Genus of ferns

Cyclosorus is a genus of ferns in the family Thelypteridaceae, subfamily Thelypteridoideae, in the Pteridophyte Phylogeny Group classification of 2016. Other sources sink Cyclosorus into a very broadly defined genus Thelypteris, or expand the genus to include other genera which PPG I keeps separate. Thus the online Flora of China suggests there are about 250 species compared to the two species suggested in PPG I.

<i>Telmatoblechnum indicum</i> Species of fern

Telmatoblechnum indicum or the swamp water fern is often seen growing on sandy soils in swampy areas. The specific epithet indicum is from Latin, revealing this plant was first collected in the East Indies (Java). Indigenous Australians used the starchy rhizome as food.

<i>Pellaea paradoxa</i> Species of fern

Pellaea paradoxa is a small hardy fern found north of Sydney in eastern Australia and Lord Howe Island. Often growing in or near rainforests in rocky crevices. But it may occasionally be seen in drier areas. Fronds are usually curved, 4 to 9 cm long, and 1 to 4 cm wide. Leathery to touch and a dull green. Juvenile fronds may be heart shaped. The stalks are around 1 to 5 mm long. Sori appear in a band, usually 2 to 3 mm wide, at the edge of the underside of the fronds.

<i>Davallia solida <span style="font-style:normal;">var.</span> pyxidata</i> Variety of fern

Davallia solida var. pyxidata known as the hare's foot fern, is a variety of fern that occurs in eastern Australia and is usually identified as a lithophyte or epiphyte in or near rainforest areas. However, it may also be seen in a few locations west of the Great Dividing Range. Listed as vulnerable in Victoria, occurring in the Grampians.

<i>Lobelia dentata</i> Species of flowering plant

Lobelia dentata is a herb found in eastern Australia. The habitat is eucalyptus woodland and forest, often on sandy soils. It is an uncommon species, but may be locally abundant after bushfires.

<i>Monotoca elliptica</i> Species of tree

Monotoca elliptica, the tree broom heath, is a plant in the family Ericaceae, found in south-eastern Australia.

<i>Schizaea rupestris</i> Species of fern

Schizaea rupestris is a small Australian fern. Most populations are in found in the ranges near Sydney. However, it also occurs near Woolgoolga and Western Australia.

<i>Persicaria decipiens</i> Species of plant

Persicaria decipiens, commonly known as slender knotweed, is a species of flowering plant native to Australia and Asia.

<i>Polystichum australiense</i> Species of fern

Polystichum australiense, commonly known as the harsh shield fern is a plant found in New South Wales, Australia. The genus name Polystichum is derived from Greek poly - many, and stichos - rows referring to the many rows of sori. The specific epithet refers to Australia. An unusual feature is the growth of bulbils on end of the fronds. Sori are circular with a brown indusium, the stem is moderately scaly. Fronds are tough, having ultimate segments with distinctly aristate margins.

References

  1. 1 2 Beentje, H.J. (2018). "Cyclosorus interruptus". IUCN Red List of Threatened Species . 2018: e.T164350A120230697. doi: 10.2305/IUCN.UK.2018-2.RLTS.T164350A120230697.en . Retrieved 20 November 2021.
  2. Bostock, Peter D. (1998). Flora of Australia. Vol. 48. CSIRO.
  3. 1 2 Smith, Alan R. "Thelypteris interrupta (Willdenow) K. Iwatsuki [family THELYPTERIDACEAE]". JSTOR Global Plants. Flora of North America, Vol 2. Retrieved 9 January 2015.
  4. "San Diego Fern Society".
  5. "Doug Benson and Georgina Eldershaw. Backdrop to encounter: the 1770 landscape of Botany Bay,the plants collected by Banks and Solander and rehabilitation of natural vegetation at Kurnell".
  6. 1 2 Les Robinson - Field Guide to the Native Plants of Sydney, ISBN   978-0-7318-1211-0 page 320
  7. Native Plants of the Sydney District - Alan Fairley & Philip Moore ISBN   0-7318-1031-7, page 40
  8. "Cyclosorus interruptus - Australian Plant Name Index".
  9. "San Diego Fern Society".
  10. Oyen LPA (2010) Cyclosorus interruptus (Willd.) H.Itô. Prota 16: Fibres/Plantes à fibres, eds Brink M & Achigan-Dako EG (PROTA, Wageningen, Netherlands.).

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