Hibbertia pancerea

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Hibbertia pancerea
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species:
H. pancerea
Binomial name
Hibbertia pancerea

Hibbertia pancerea is a species of flowering plant in the family Dilleniaceae and is endemic to Kakadu National Park. It is a spreading shrub foliage densely covered with shield-like scales, that has elliptic leaves and yellow flowers arranged singly in leaf axils with 26 to 30 stamens arranged in bundles around two carpels.

Contents

Description

Hibbertia pancerea is a spreading shrub that typically grows to a height of 1.5 m (4 ft 11 in) with dense, scaly foliage. The leaves are elliptic, 15–25 mm (0.59–0.98 in) long and 10–15 mm (0.39–0.59 in) wide on a petiole 0.6–1.2 mm (0.024–0.047 in) long. The flowers are arranged singly in leaf axils, each flower on a peduncle 6–11 mm (0.24–0.43 in) long, with lance-shaped bracts 5.5–7.1 mm (0.22–0.28 in) long. The five sepals are joined at the base, the outer sepal lobes 7.3–8 mm (0.29–0.31 in) wide and the inner lobes 5.1–5.8 mm (0.20–0.23 in) wide. The five petals are broadly egg-shaped with the narrower end towards the base, yellow, 14–16 mm (0.55–0.63 in) long and there are 26 to 30 stamens arranged in bundles around the two carpels, each carpel with two ovules. Flowering has been observed in February and March. [2] [3]

Taxonomy

Hibbertia pancerea was first formally described in 2010 by Hellmut R. Toelken in the Journal of the Adelaide Botanic Gardens from specimens collected by David L. Jones in 1984 at Lightning Dreaming in Kakadu National Park. [2] [4] The specific epithet (pancerea) means "with medieval mail of armour", referring to the large scales covering the plant. [2]

Distribution and habitat

This hibbertia grows in shrubland and forest, amongst sandstone rocks and occurs on the top of the escarpment of the northern Arnhem Land plateau in Kakadu National Park. [2] [3]

Conservation status

Hibbertia pancerea is classified as "vulnerable" under the Territory Parks and Wildlife Conservation Act 1976 . [3]

See also

Related Research Articles

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Hibbertia ciliolata is a species of flowering plant in the family Dilleniaceae and is endemic to the northern part of the Northern Territory. It is a shrub with a single stem, hairy foliage, linear to elliptic leaves, and yellow flowers arranged in leaf axils, mostly with eighteen to twenty-six stamens arranged in groups around the two carpels.

Hibbertia extrorsa is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted part of the Northern Territory. It is a small, spreading shrub with hairy foliage, linear to elliptic leaves, and yellow flowers arranged in leaf axils with about thirty stamens arranged in groups around the two carpels.

Hibbertia fractiflexa is a species of flowering plant in the family Dilleniaceae and is endemic to the Northern Territory. It is a small, multi-stemmed shrub with hairy foliage, elliptic leaves, and yellow flowers arranged in leaf axils with sixteen to twenty-two stamens arranged in groups around the two carpels.

Hibbertia guttata is a species of flowering plant in the family Dilleniaceae and is endemic to the Northern Territory. It is a straggly shrub with moderately to densely hairy foliage, linear to elliptic leaves, and yellow flowers arranged in leaf axils with 28 to 36 stamens arranged in groups around the three carpels.

Hibbertia incurvata is a species of flowering plant in the family Dilleniaceae and is endemic to the Northern Territory. It is a spreading, woody shrub with scaly foliage, elliptic to lance-shaped leaves, and yellow flowers arranged in leaf axils with 28 to 35 stamens arranged in bundles around the two carpels.

Hibbertia malleolacea is a species of flowering plant in the family Dilleniaceae and is endemic to the northern parts of the Northern Territory. It is a straggly shrub with hairy foliage, elliptic leaves, and yellow flowers arranged in leaf axils with 28 to 32 stamens arranged in bundles around three carpels.

Hibbertia marrawalina is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted part of the Northern Territory. It is a shrublet with scaly foliage, wiry branches, narrow linear leaves, and yellow flowers arranged singly in leaf axils with fifteen to eighteen stamens and about seven staminodes arranged in bundles around two scaly carpels.

Hibbertia mollis is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted part of Western Australia. It is a shrub with hairy, ridged branches, narrow elliptic-oblong leaves, and yellow flowers arranged singly in leaf axils with about twenty-four stamens arranged in bundles around two densely scaly carpels.

Hibbertia oblongata is a species of flowering plant in the family Dilleniaceae and is endemic to northern Australia. It is an erect to spreading shrub with scaly foliage, elliptic to oblong leaves, and yellow flowers usually arranged singly in leaf axils, with 16 to 36 stamens arranged in bundles around the two carpels.

Hibbertia persquamata is a species of flowering plant in the family Dilleniaceae and is endemic to the Northern Kimberley region of Western Australia. It is a spreading to prostrate shrub with flattened, scaly branches, narrow elliptic leaves and yellow flowers arranged singly in leaf axils with 20 to 26 stamens arranged around three scaly carpels.

Hibbertia pilulis is a species of flowering plant in the family Dilleniaceae and is endemic to Arnhem Land in the Northern Territory. It is a straggly shrub with hairy foliage, elliptic leaves and yellow flowers arranged singly in leaf axils with 34 to 46 stamens arranged in bundles around two carpels.

Hibbertia rufociliata is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area of north Queensland. It is a shrub with hairy foliage, elliptic to lance-shaped leaves with the narrower end towards the base, and yellow flowers usually arranged singly in leaf axils with 36 to 44 stamens arranged in bundles around two densely scaly carpels.

Hibbertia solanifolia is a species of flowering plant in the family Dilleniaceae and is endemic to the Top End of the Northern Territory in Australia. It is a spreading to low-lying shrub with ridged branches, elliptic leaves and yellow flowers usually arranged singly in leaf axils, with 34 to 38 stamens arranged in groups around three densely scaly carpels.

Hibbertia velutina is a species of flowering plant in the family Dilleniaceae and is endemic to Queensland. It is a shrub with foliage covered with rosette-like hairs, elliptic leaves, and yellow flowers with thirty to thirty-six stamens arranged in bundles around two densely scaly carpels.

References

  1. ↑ "Hibbertia pancerea". Australian Plant Census. Retrieved 12 August 2021.
  2. 1 2 3 4 Toelken, Hellmut R. (2010). "Notes on Hibbertia (Dilleniaceae) 5. H. melhanioides and H. tomentosa groups from tropical Australia" (PDF). Journal of the Adelaide Botanic Gardens. 23: 112–113. Retrieved 5 August 2021.
  3. 1 2 3 "Hibbertia pancerea". Northern Territory Government. Retrieved 12 August 2021.
  4. ↑ "Hibbertia pancerea". APNI. Retrieved 5 August 2021.
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