Pendressia

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Pendressia
Comprehensive catalogue of Queensland plants, both indigenous and naturalised. To which are added, where known, the aboriginal and other vernacular names; with numerous illustrations, and copious (14596322819).jpg
Illustration of Pendressia wardellii (as Mollinedia wardellii – bottom), with Wilkiea angustifolia (as Mollinedia angustifolia - top)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Laurales
Family: Monimiaceae
Genus: Pendressia
Whiffin [1]
Species:
P. wardellii
Binomial name
Pendressia wardellii
(F.Muell.) Whiffin [2]
Synonyms [2]
  • Endressia wardellii(F.Muell.) Whiffin
  • Mollinedia wardelliiF.Muell.
  • Wilkiea wardellii(F.Muell.) Perkins

Pendressia wardellii is a species of flowering plant in the family Monimiaceae, and is the sole species in the genus Pendressia. It is a tall shrub to small tree endemic to north-eastern Queensland. It has egg-shaped to elliptic leaves, male flowers and female flowers on separate plants, male flowers with 10 to 15 stamens and female flowers with 8 to 10 carpels, and red drupes.

Contents

Description

Pendressia wardellii is a tall shrub or small tree that typically grows to a height of 4–20 m (13–66 ft). Its leaves are egg-shaped to elliptic, 40–130 mm (1.6–5.1 in) long and 20–60 mm (0.79–2.36 in) wide on a red petiole 8–13 mm (0.31–0.51 in) long. The midvein is prominent on both surfaces of the leaves. Male and female flowers are borne on separate plants. Male flowers are borne in large, highly branched clusters 30–70 mm (1.2–2.8 in) long, each flower more or less spherical to club-shaped, about 3 mm (0.12 in) in diameter with 2 pairs of tepals and usually 10–15 stamens. Female flowers are borne in small clusters 10–40 mm (0.39–1.57 in) long, each flower more or less spherical with 8 to 10 carpels. Flowering occurs from September to December, and the fruit is a red, more or less spherical drupe, 10–15 mm (0.39–0.59 in) long and 10–12 mm (0.39–0.47 in) wide. [3] [4]

Taxonomy

This species was first formally described in 1866 by Ferdinand von Mueller who gave it the name Mollinedia wardellii in his Fragmenta Phytographiae Australiae from specimens collected near Rockingham Bay by John Dallachy. [5] [6] In 1898, Janet Russell Perkins transferred the species to Wilkiea as W. wardellii [7] and in 2018 Trevor Paul Whiffin placed it in the new monotypic genus Pendressia as P. wardellii. [1] The specific epithet (wardellii) honours von Mueller's friend, William Wardell. [6]

Distribution and habitat

Pendressia wardellii grows in rainforest at altitudes between 1,000 and 1,260 m (3,280 and 4,130 ft) on the Windsor, Mount Carbine and northern Atherton Tablelands in north-east Queensland. [3]

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Wilkiea smithii is a species of flowering plant in the family Monimiaceae, and is endemic to north-eastern Queensland. It is a shrub or small, slender tree with elliptic or oblong leaves and male and female flowers on separate plants. Male flowers are borne in clusters of about 5 and have 8 tepals and 2 pairs of stamens and female flowers have 20 to 40 carpels. The fruit is a glaucous, purplish to black drupe.

References

  1. 1 2 "Pendressia". Plants of the World Online. Retrieved 27 May 2024.
  2. 1 2 "Pendressia wardellii". Plants of the World Online. Retrieved 27 May 2024.
  3. 1 2 Whiffin, Trevor J.; Foreman, Donald B. "Pendressia wardellii". Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 27 May 2024.
  4. Ford, Andrew J.; Whiffin, Trevor P. (2018). "Pendressia, nom. nov. (Monimiaceae), a new generic name for Wilkiea wardellii from north-east Queensland". Telopea. 21: 148. doi:10.7751/telopea12579 . Retrieved 27 May 2024.
  5. "Mollinedia wardellii". APNI. Retrieved 27 May 2024.
  6. 1 2 von Mueller, Ferdinand (1866). Fragmenta Phytographiae Australiae. Vol. v.5 1865-66. Melbourne: Victorian Government Printer. p. 155. Retrieved 27 May 2024.
  7. "Wilkiea wardellii". APNI. Retrieved 27 May 2024.