Hiya distans

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Scrambling ground fern
Hypolepis distans Hook. (AM AK145219).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Family: Dennstaedtiaceae
Genus: Hiya
Species:
H. distans
Binomial name
Hiya distans
(Hook.) Brownsey & Perrie
Synonyms

Hypolepis distansHook.

Hiya distans, formerly Hypolepis distans, known as the scrambling ground fern is a small fern found in soils with a high humus layer, or swampy areas in New Zealand. Less often seen in Australia. Rarely recorded in north west Tasmania and King Island. There is one known population on the Australian mainland, at Macquarie Pass in New South Wales. An introduced population is at the remote Norfolk Island in the south Pacific Ocean. The scrambling ground fern features 20 to 40 pairs of primary pinnae, opposite or subopposite on the stem, at an angle of 90 degrees. The specific epithet distans is derived from Latin, meaning "widely spaced". [1] [2]

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Hiya is a genus of ferns belonging to the family Dennstaedtiaceae. Described in 2018, it resembles ferns of the genus Hypolepis but differs from it by multiple characteristics: scrambling, indeterminate and intermittent growth of fronds; stipule-like pinnules at the base of pinnae, and a rachis-costa architecture where the adaxial sulcus of the rachis is continuous with that of the costae and costules.

References

  1. Matt Renner. "Hypolepis distans". Plantnet - New South Wales Flora Online. Royal Botanic Gardens, Sydney. Retrieved 12 December 2021.
  2. de Lange, P.J. "Hiya distans". New Zealand Plant Conservation Network. Retrieved 12 December 2021.