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Acalypha lyonsii

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Species of plant in the family Euphorbiaceae

Lyons' acalphya
Cairns Botanic Gardens
January 2024
Conservation status
Vulnerable  (NCA)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Acalypha
Species: A. lyonsii
Binomial name
Acalypha lyonsii
P.I.Forst.

Acalypha lyonsii, commonly known as Lyon's acalypha is a shrub in the spurge family Euphorbiaceae that is only found in the vicinity of Cairns, Queensland, Australia.

Description

Acalypha lyonsii is a shrub up to 4 m (13 ft) tall. The leaves are arranged alternately on the twigs and measure up to 45 mm (1.8 in) long by 25 mm (0.98 in) wide. They have rounded teeth on the margins and 4 or 5 lateral veins on either side of the midrib. Flowers are produced from the leaf axils - male flowers are less than 1 mm (0.04 in) long and carried on a spike, female flowers are solitary, about 3 mm (0.12 in) in diameter and subtended by a much larger bract. The fruit is a 3-lobed capsule about 2 mm (0.08 in) long and 4 mm (0.16 in) wide.

Taxonomy

This species was described in 1994 by the Queensland botanist Paul Irwin Forster based on material collected by Christopher Lyons in 1992 on the Lamb Range southwest of Cairns. The species is named after him.

Distribution and habitat

Acalypha lyonsii grows as an understorey plant in rainforests near Cairns, at altitudes from sea level to about 200 m (660 ft).

Conservation

This species is listed by the Queensland Government's Department of Environment, Science and Innovation as vulnerable. As of 20 March 2024, it has not been assessed by the International Union for Conservation of Nature (IUCN).

Gallery

  • Flowers Flowers
  • Foliage Foliage

References

  1. ^ "Species profile—Acalypha lyonsii". Queensland Department of Environment and Science. Queensland Government. 2022. Retrieved 20 March 2024.
  2. ^ "Acalypha lyonsii". Australian Plant Name Index (APNI). Centre for Australian National Biodiversity Research, Australian Government. Retrieved 20 March 2024.
  3. "Acalypha lyonsii P.I.Forst". Plants of the World Online. Royal Botanic Gardens, Kew. 2024. Retrieved 20 March 2024.
  4. ^ F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Acalypha lyonsii". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 20 March 2024.
  5. ^ Forster, Paul I. (2022). Moon, Chris; Orchard, Tony (eds.). "Acalypha lyonsii". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 20 March 2024.
  6. Cooper, Wendy; Cooper, William T. (June 2004). Fruits of the Australian Tropical Rainforest. Clifton Hill, Victoria, Australia: Nokomis Editions. p. 169. ISBN 978-0958174213.

External links

Taxon identifiers
Acalypha lyonsii
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