Spyridium eriocephalum

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Spyridium eriocephalum
Spyridium eriocephalum.jpg
In the Monarto Conservation Park
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rhamnaceae
Genus: Spyridium
Species:
S. eriocephalum
Binomial name
Spyridium eriocephalum

Spyridium eriocephalum, commonly known as heath spyridium [2] or heath dustymiller, [3] is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern Australia. It is an erect to spreading shrub with linear leaves, and heads of white or cream-coloured, woolly-hairy flowers with brown bracts at the base.

Contents

Description

Spyridium eriocephalum is an erect to spreading shrub that typically grows to a height of up to 50 cm (20 in). Its leaves are linear, 5–14 mm (0.20–0.55 in) long and 0.5–1 mm (0.020–0.039 in) wide with linear brown stipules 2.0–3.5 mm (0.079–0.138 in) long at the base. The upper surface of the leaves is glabrous, the lower surface obscured by the down-rolled edges of the leaves. The heads of flowers are 4–10 mm (0.16–0.39 in) wide, arranged on the ends of branches with up to three floral leaves and several brown papery bracts at the base. The flowers are 2–3 mm (0.079–0.118 in) long, white or cream-coloured and covered with woolly white hairs. Flowering mostly occurs from August to November. [2] [3] [4] [5]

Taxonomy

This species was first formally described in 1837 by Eduard Fenzl in Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in sinu Regis Georgii collegit Carolus Liber Baro de Hügel from specimens collected near the Derwent River by Ferdinand Bauer. [6] [7]

John McConnell Black described two varieties of S. eriocephalum and the names are accepted by the Australian Plant Census:

Distribution

Spyridium eriocephalum mostly grows in mallee on sandy flats or dunes, sometimes in rocky places and is found in south-central New South Wales, mostly in the north-west of Victoria, in south-eastern South Australia and in a few isolated places in Tasmania. [2] [3] [4] [5] The variety glabrisepalum is restricted to South Australia. [9]

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References

  1. "Spyridium eriocephalum". Australian Plant Census. Retrieved 12 July 2022.
  2. 1 2 3 Harden, Gwen J. "Spyridium eriocephalum". Royal Botanic Garden Sydney. Retrieved 12 July 2022.
  3. 1 2 3 "Threatened Species Listing Statement - Spyridium eriocaphalum var. eriocephalum". Tasmanian Government Department of Primary Industries, Parks, Water and the Environment. Retrieved 12 July 2022.
  4. 1 2 Walsh, Neville G. "Spyridium eriocephalum var. eriocephalum". Royal Botanic Gardens Victoria. Retrieved 12 July 2022.
  5. 1 2 3 "Spyridium eriocephalum". State Herbarium of South Australia. Retrieved 12 July 2022.
  6. "Spyridium eriocephalum". Australian Plant Name Index. Retrieved 12 July 2022.
  7. Endlicher, Stephan (1837). Endlicher, Stephan; Fenzl, Eduard; Bentham, George; Schott, Heinrich Wilhelm (eds.). Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in Sinu Regis Georgii collegit Carolus liber baro de Hügel. p. 24. Retrieved 6 August 2022.
  8. "Spyridium eriocephalum var. eriocephalum". Australian Plant Census. Retrieved 12 July 2022.
  9. 1 2 "Spyridium eriocephalum var. glabrisepalum". Australian Plant Census. Retrieved 12 July 2022.