Leionema dentatum


Leionema dentatum, commonly known as toothed phebalium[2] is a species of large shrub or small tree that is endemic to New South Wales, Australia. It has variable leaves, slender branches and clusters of cream-yellow flowers in spring.

Leionema dentatum
Castlecrag, Australia
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Rutaceae
Genus: Leionema
Species:
L. dentatum
Binomial name
Leionema dentatum
Synonyms[1]
  • Phebalium dentatum Sm.
  • Phebalium salicifolium A.Juss.
  • Eriostemon umbellatus Turcz.
  • Phebalium umbellatum (Turcz.)Turcz.

Description

Leionema dentatum is a shrub or small tree to 6 m (20 ft) high with slender more or less needle-shaped stems. The leaves are variable and may be narrowly oblong or elliptic, lance shaped or linear, 4–8 cm (1.6–3.1 in) long, 1–8 mm (0.039–0.315 in) wide, smooth, apex squared or blunt with two teeth, margins rolled under or upward more or less toothed, underside white with star shaped hairs and a raised midrib. The inflorescence consists of about 10 flowers on an angled peduncle 2–8 mm (0.079–0.315 in) long, individual flowers on a slender pedicel about 4 mm (0.16 in) long. The calyx lobes are a wide-triangular shape and fleshy. The light yellow to white petals about 3.5 mm (0.14 in) long, smooth and dotted with glands. The fruit sit upright on the stem are about 3.5 mm (0.14 in) long and end in a small distinct point.[2]

Taxonomy and naming

Leionema dentatum was first formally described in 1998 by Paul G. Wilson and the description was published in Nuytsia.[3][4]The specific epithet (dentatum) is a Latin word meaning "toothed".[5]

Distribution and habitat

This species grows mostly from Gibraltar Range National Park to the Illawarra region in southern New South Wales on sandstone in dry sclerophyll forests.[2]

gollark: Also the apioform game.
gollark: So they're popular, yes.
gollark: Among other things.
gollark: It was several months ago.
gollark: Various palaiological incidents.

References
  1. "Leionema dentatum". Australian Plant Census. Retrieved 28 April 2020.
  2. "Leionema dentatum". PlantNET-NSW flora online. Royal Botanic Gardens Sydney. Retrieved 27 April 2020.
  3. "Leionema dentatum". Australian Plant Name Index. Retrieved 28 April 2020.
  4. "Nuytsia". Biodiversity Heritage Library. Retrieved 28 April 2020.
  5. Francis Aubie Sharr (2019). Western Australian Plant Names and their Meanings. Kardinya, Western Australia: Four Gables Press. p. 181. ISBN 9780958034180.
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