Yellow evodia
Melicope xanthoxyloides male flowers
Female flowers
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Melicope
Species:
M. xanthoxyloides
Binomial name
Melicope xanthoxyloides
Synonyms[1]
  • Ampacus alata Kuntze orth. var.
  • Ampacus alatus (F.Muell.) Kuntze nom. illeg.
  • Ampacus xanthoxylodes Kuntze orth. var.
  • Ampacus xanthoxyloides (F.Muell.) Kuntze
  • Euodia alata F.Muell.
  • Euodia bakeriana Domin
  • Euodia xanthoxyloides F.Muell.
  • Evodia bakeriana Domin orth. var.

Melicope xanthoxyloides is a species of small tree in the family Rutaceae and is native to New Guinea and Queensland. It has trifoliate leaves and small green to yellow or cream-coloured flowers arranged in panicles in leaf axils.

Description

Melicope xanthoxyloides is a tree that typically grows to a height of 21 mm (0.83 in) and has a trunk usually no more than 30 cm (12 in) dbh. The leaves are arranged in opposite pairs and trifoliate on a petiole 35–140 mm (1.4–5.5 in) long. The leaflets are sessile or on a petiolule up to 3 mm (0.12 in) long and are elliptical to egg-shaped with the narrower end towards the base, 110–270 mm (4.3–10.6 in) long and 50–125 mm (2.0–4.9 in) wide. The flowers are arranged in panicles 50–140 mm (2.0–5.5 in) long in leaf axils and are male-only and female-only on separate plants. The sepals are egg-shaped to triangular, about 0.5 mm (0.020 in) long and fused at the base, the petals green to yellow or cream-coloured, 1.3–2 mm (0.051–0.079 in) long and there are four stamens. Flowering occurs from November to April and the fruit consists of up to four follicles 3–4 mm (0.12–0.16 in) long and fused at the base.[2][3]

Taxonomy

Melicope xanthoxyloides was first formally described in 1864 by Ferdinand von Mueller who gave it the name Euodia xanthoxyloides and published the description in Fragmenta phytographiae Australiae from specimens collected near Rockingham Bay by John Dallachy.[4][5] In 2001, Thomas Gordon Hartley changed the name to Melicope xanthoxyloides in the journal Allertonia.[6][7]

Distribution and habitat

Yellow evodia grows in rainforest from near sea level to an altitude of 1,100 m (3,600 ft). It occurs in New Guinea including in the Bismarck Archipelago and from the McIlwraith Range on Cape York Peninsula to the Herbert River in northern Queensland.[2][3]

Conservation status

This species is classified as of "least concern" under the Queensland Government Nature Conservation Act 1992.[8]

References

  1. 1 2 "Melicope xanthoxyloides". Australian Plant Census. Retrieved 28 July 2020.
  2. 1 2 Hartley, Thomas G.; Wilson, Annette J.G. (ed.) (2013). Flora of Australia (Volume 26). Canberra: Australian Biological Resources Study. p. 97. Retrieved 28 July 2020. {{cite book}}: |first2= has generic name (help)
  3. 1 2 F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Melicope xanthoxyloides". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 2 July 2021.
  4. ↑ "Melicope xanthoxyloides". APNI. Retrieved 28 July 2020.
  5. ↑ von Mueller, Ferdinand (1864). Fragmenta phytographiae Australiae. Melbourne: Victorian Government Printer. pp. 155–156. Retrieved 28 July 2020.
  6. ↑ "Melicope xanthoxyloides". APNI. Retrieved 28 July 2020.
  7. ↑ Hartley, Thomas Gordon (February 2001). "On the Taxonomy and Biogeography of Euodia and Melicope (Rutaceae)". Allertonia. 8 (1): 119. JSTOR 23189298.
  8. ↑ "Species profile—Melicope xanthoxyloides". Queensland Government Department of Environment and Science. Retrieved 28 July 2020.
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