Sphaeropteris robusta

Sphaeropteris robusta, synonym Cyathea robusta,[1][2] is a fern in the family Cyatheaceae. The specific epithet alludes to its robust habit.[3]

Sphaeropteris robusta
Young plant in the Jardin des Plantes in Paris
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Cyatheales
Family: Cyatheaceae
Genus: Sphaeropteris
Species:
S. robusta
Binomial name
Sphaeropteris robusta
(C.Moore ex Watts) R.M Tryon[1]
Synonyms[1]
  • Alsophila robusta C.Moore ex Watts
  • Cyathea robusta (C.Moore ex Maiden) Holttum
  • Alsophila robusta var. norfolkiana Laing

Description
Trunk with stipes and young frond croziers

The plant is a treefern with a trunk growing up to 5 m in height; the stipe bases are variably persistent, with the lower trunk often clear with roundish scars.[3]

Distribution and habitat

The fern is endemic to Australia’s subtropical Lord Howe Island in the Tasman Sea, where it has a scattered distribution through the southern mountains of the island at low to medium elevations.[3] It is widespread in cultivation outside its natural range.

gollark: Apparently quite a lot of that runs over side channels like facial expression rather than actual words.
gollark: > How are masks dehumanizing?They somewhat worsen communication, I guess?
gollark: Possibly. It seems unlikely that they would say it if it wasn't somewhat necessary, it makes it significantly less attractive.
gollark: It does, it needs to be kept at -70 degrees or something.
gollark: Also, storage requirements, and it needs to actually be injected safely/correctly.

References
  1. Hassler, Michael & Schmitt, Bernd (June 2019). "Sphaeropteris robusta". Checklist of Ferns and Lycophytes of the World. Retrieved 2019-08-23.
  2. "Sphaeropteris robusta (Bojer ex Wall.) R.M.Tryon". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-08-23.
  3. "Cyathea robusta". Flora of Australia Online. Australian Biological Resources Study (ABRS). Retrieved 2014-01-29. Data derived from Flora of Australia 49 (1994).
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