Lesser guinea flower
Near Hall in the A.C.T.
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species:
H. calycina
Binomial name
Hibbertia calycina

Hibbertia calycina, commonly known as the lesser guinea flower,[2] is a species of flowering plant in the family Dilleniaceae and is endemic to south-eastern Australia. It is a small shrub with linear leaves and yellow flowers with eight to eighteen stamens in a single cluster on one side of the two carpels.

Description

Hibbertia calycina is a shrub that typically grows to a height of up to 30 cm (12 in). The leaves are linear, mostly 5–10 mm (0.20–0.39 in) long and about 1 mm (0.039 in) wide on a petiole 0.3–0.9 mm (0.012–0.035 in) long and with the edges rolled under. The flowers are arranged on the ends of branchlets and are sessile. Each flower is surrounded by small leaves and a single triangular bract 1.4–2.2 mm (0.055–0.087 in) long. The sepals are 4.4–6.8 mm (0.17–0.27 in) long and hairy, the petals yellow and 5.5–6.8 mm (0.22–0.27 in) long. There are eight to eighteen stamens arranged in a single cluster on one side of the two woolly-hairy carpels. Flowering occurs from September to November.[2][3]

Taxonomy

This species was first described in 1817 by Augustin Pyramus de Candolle and given the name Pleurandra calycina in Regni Vegetabilis Systema Naturale.[4][5] In 1955, Norman Arthur Wakefield changed the name to Hibbertia calycina in The Victorian Naturalist.[6][7]

Distribution and habitat

Lesser guinea flower grows in woodland on rocky slopes on the ranges and tablelands of southern New South Wales, the Australian Capital Territory and north-eastern Victoria. It also occurs in a few places in eastern Tasmania where it is very rare.[2][3]

Conservation status

Hibbertia calycina is listed as "vulnerable" under the Tasmanian Government Threatened Species Protection Act 1995.[8]

References

  1. ↑ "Hibbertia calycina". Australian Plant Census. Retrieved 17 April 2021.
  2. 1 2 3 "Hibbertia calycina". Royal Botanic Garden Sydney. Retrieved 17 April 2021.
  3. 1 2 Toelken, Hellmut R. "Hibbertia calycina". Royal Botanic Gardens Victoria. Retrieved 17 April 2021.
  4. ↑ "Pleurandra bracteata". APNI. Retrieved 17 April 2021.
  5. ↑ de Candolle, Augustin P. (1817). Regni vegetabilis systema naturale. Paris. pp. 422–423. Retrieved 17 April 2021.
  6. ↑ "Hibbertia calycina". APNI. Retrieved 14 April 2021.
  7. ↑ Wakefield, Norman Arthur (1955). "Flora of Victoria: New species and other additions - 7". The Victorian Naturalist. 72 (8): 122. Retrieved 17 April 2021.
  8. ↑ "Hibbertia calycina". Tasmanian Government Department of Primary Industries, Parks, Water and Environment. Retrieved 17 April 2021.
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