Narrawa burr
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Solanales
Family: Solanaceae
Genus: Solanum
Species:
S. cinereum
Binomial name
Solanum cinereum

Solanum cinereum, commonly known as Narrawa burr,[2] is a species of flowering plant in the family Solanaceae. It has dark green, spiny leaves and purple flowers and grows in open woodland in south eastern Australia.

Description

Solanum cinereum is a small, upright, sparse, sprawling or bushy, perennial shrub to 1 m (3 ft 3 in) high. The leaves are oval to elliptic shaped, 6–10 cm (2.4–3.9 in) long, 3–6 cm (1.2–2.4 in) wide, heavily lobed, shiny, smooth, upper surface dark green, with conspicuous, long, spiny thorns to 15 mm (0.59 in) long, lower surface whitish to light yellow, covered densely with small star-shaped hairs and the petiole 5–15 mm (0.20–0.59 in) long. The flowers are borne singly or in small clusters with four yellow stamens, 20–30 mm (0.79–1.18 in) in diameter, mauve to purple on a peduncle usually 2–10 mm (0.079–0.394 in) long. Flowering occurs mostly from spring to autumn and the fruit is a globose-shaped berry, usually 15–20 mm (0.59–0.79 in) in diameter, pale green with darker streaks and turning brown at maturity.[2][3][4]

Taxonomy and naming

Solanum cinereum was first formally described in 1810 by Robert Brown and the description was published in Prodromus florae Novae Hollandiae.[5][6]The specific epithet (cinereum) means "ash-coloured" referring to the lower surface of the leaves.[7]

Distribution and habitat

Narrawa burr grows in woodland, dry forests and disturbed sites in New South Wales, Victoria, Queensland and the Australian Capital Territory. It is considered a weed in farmland, because it is poisonous to sheep, cattle, and possibly horses.[2][8]

References

  1. ↑ "Solanum cinereum". Australian Plant Census. Retrieved 22 March 2023.
  2. 1 2 3 Conn, B.J. "Solanum cinereum". PlantNET-NSW flora online. Royal Botanic Gardens Sydney. Retrieved 22 March 2023.
  3. ↑ "Solanum cinereum". VICFLORA-flora of Victoria. Royal Botanic Gardens Victoria. Retrieved 24 March 2023.
  4. ↑ Cosgrove, Meredith (2014). Photographic Guide to Native Plants of the Australian Capital Territory. Meadow Argus. p. 338. ISBN 9780994183408.
  5. ↑ Brown, Robert (1810). Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis. Vol. 1. London. p. 446.
  6. ↑ "Solanum cinereum". Australian Plant Name Index. Retrieved 24 March 2023.
  7. ↑ George, A.S; Sharr, F.A (2021). Western Australian Plant Names and their meanings (4th ed.). Kardinya: Four Gables. p. 167. ISBN 9780958034197.
  8. ↑ mangrovemountain.net. "Solanum cinereum fact sheet" (PDF). Retrieved 2015-02-08.
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