Wilkiea macrophylla

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Large-leaved wilkiea
Wilkiea-macrophylla-ALA-1.jpg
Wilkiea macrophylla in the Australian National Botanic Gardens
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Laurales
Family: Monimiaceae
Genus: Wilkiea
Species:
W. macrophylla
Binomial name
Wilkiea macrophylla
Synonyms [1]
  • Hedycarya macrophyllaA.Cunn.
  • Kibara macrophylla(A.Cunn.) Benth.
  • Mollinedia macrophylla(A.Cunn.) Tul.
Leaves in the Booderee Botanic Gardens Wilkiea-macrophylla-ALA-4.jpg
Leaves in the Booderee Botanic Gardens


Wilkiea macrophylla, commonly known as large-leaved wilkiea, [2] is a species of flowering plant in the family Monimiaceae , and is endemic to north-eastern Australia. It is a glabrous shrub or small tree with narrowly to broadly elliptic leaves, and male and female flowers on separate plants. Male flowers have 2 pairs of tepals and usually 2 pairs of stamens, and female flowers have 6 or 7 pairs of tepals and 13 to 20 carpels. The fruit is a glossy purplish to olive black drupe.

Contents

Description

Wilkiea macrophylla is a glabrous shrub or small tree, typically 1–6 m (3 ft 3 in – 19 ft 8 in) high. Its leaves are narrowly to broadly elliptic, sometimes broadly oblong, 65–240 mm (2.6–9.4 in) long and 20–90 mm (0.79–3.54 in) wide on a petiole 2–10 mm (0.079–0.394 in) long. The leaves are thick and leathery with the midvein prominent on both surfaces, and sometimes there are prominent teeth on the edges. Male and female flowers are borne on separate plants, male flowers in leaf axils in groups of 3 to 9, 10–15 mm (0.39–0.59 in) long, each flower oval, 2–3 mm (0.079–0.118 in) in diameter on a pedicel about 3 mm (0.12 in) long, usually with 6 tepals and 2 pairs of stamens. Female flowers are borne in leaf axils in groups of 7 to 9, about 15 mm (0.59 in) long, each flower flattened spherical, 3–4 mm (0.12–0.16 in) in diameter on a pedicel 4–6 mm (0.16–0.24 in) long with 6 or 7 pairs of tepals and 30 to 20 carpels. Flowering occurs from December to February, and the fruit is a glossy purplish- to olive-black drupe, 15–20 mm (0.59–0.79 in) long and 10–12 mm (0.39–0.47 in) wide. [2] [3]

Taxonomy

This species was first formally described in 1838 by Allan Cunningham who gave it the name Hedycarya macrophylla in the Annals of Natural History . [4] [5] In 1868, Alphonse Pyramus de Candolle transferred the species to Wilkiea as W. macrophylla in Prodromus Systematis Naturalis Regni Vegetabilis . [6] [7]

Distribution and habitat

Large-leaved wilkiea grows in rainforest at altitudes 510 and 610 m (1,670 and 2,000 ft) from central Queensland to the Richmond River in north-eastern New South Wales. [2] [3]

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References

  1. 1 2 "Wilkiea macrophylla". Australian Plant Census. Retrieved 23 May 2024.
  2. 1 2 3 Harden, Gwen J. "Wilkiea macrophylla". Royal Botanic Garden, Sydney. Retrieved 23 May 2024.
  3. 1 2 Whiffin, Trevor J.; Foreman, Donald B. "Wilkiea macrophylla". Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 23 May 2024.
  4. "Hedycarya macrophylla". APNI. Retrieved 14 May 2024.
  5. Cunningham, Allan (1838). "Florae insularum Novae Zelandiae precursor". Annals of Natural History. 1: 215. Retrieved 23 May 2024.
  6. "Wilkeia macrophylla". APNI. Retrieved 23 May 2024.
  7. de Candolle, Alphonse P. (1868). "Monimiaceae". Prodromus Systematis Naturalis Regni Vegetabilis. 16 (2): 669. Retrieved 14 May 2024.