Dillwynia tenuifolia

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Dillwynia tenuifolia
Dillwynia tenuifolia.jpg
At Castlereagh
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Genus: Dillwynia
Species:
D. tenuifolia
Binomial name
Dillwynia tenuifolia
Synonyms [1]

Dillwynia ericifolia var. tenuifolia(DC.) Benth.

Dillwynia tenuifolia is a species of flowering plant in the family Fabaceae and is endemic to eastern New South Wales. It is an erect shrub with linear leaves, and orange-yellow and red flowers.

Contents

Description

Dillwynia tenuifolia is an erect shrub that typically grows to a height of 0.6–1.0 m (2 ft 0 in – 3 ft 3 in), its stems covered with short curved hairs. The leaves are linear, glabrous or sometimes hairy near the tip, and 4–12 mm (0.16–0.47 in) long. The flowers are usually arranged singly in leaf axils or on the ends of branchlets on a peduncle less than 3 mm (0.12 in) long. There are bracts and bracteoles about 1 mm (0.039 in) long. The sepals are 4–5 mm (0.16–0.20 in) long and the standard petal is orange-yellow and red, 7–10 mm (0.28–0.39 in) long. Flowering mainly occurs from February to March and the fruit is a pod 4–5 mm (0.16–0.20 in) long. [2] [3]

Taxonomy and naming

Dillwynia tenuifolia was first formally described in 1825 by Augustin Pyramus de Candolle in his Prodromus Systematis Naturalis Regni Vegetabilis . [4] [5] The specific epithet (tenuifolia) means "thin-leaved". [6]

Distribution and habitat

This dillwynia grows in forest between the Cumberland Plain, Blue Mountains and Howes Valley on the coast and tablelands of New South Wales. [2]

Conservation status

Dillwynia tenuifolia is listed as "vulnerable: under the New South Wales Government Biodiversity Conservation Act 2016 , and a population in Kemps Creek is listed as an "endangered population" under the same Act. The main threats to the species and to the threatened population include habitat fragmentation, inappropriate fire regimes, weed invasion and recreational vehicle use. [3] [7]

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References

  1. 1 2 "Dillwynia tenuifolia". Australian Plant Census. Retrieved 16 June 2021.
  2. 1 2 "Dillwynia tenuifolia". Royal Botanic Garden Sydney. Retrieved 16 June 2021.
  3. 1 2 "Dillwynia tenuifolia - profile". New South Wwales Government Office of Environment and Heritage. Retrieved 16 June 2021.
  4. "Dillwynia tenuifolia". APNI. Retrieved 16 June 2021.
  5. de Candolle, Augustin P. (1825). Prodromus Systematis Naturalis Regni Vegetabilis. Vol. 2. Paris. p. 109. Retrieved 16 June 2021.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 321. ISBN   9780958034180.
  7. "Dillwynia tenuifolia, Kemps Creek - profile". New South Wales Government Office of Environment and Heritate. Retrieved 16 June 2021.