Hibbertia lepidocalyx

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Hibbertia lepidocalyx
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species:
H. lepidocalyx
Binomial name
Hibbertia lepidocalyx

Hibbertia lepidocalyx is a species of flowering plant in the family Dilleniaceae and is endemic to Western Australia. It is a shrub with thick, linear, cylindrical leaves and yellow flowers with nine or ten stamens in a single group on one side of the two carpels.

Contents

Description

Hibbertia lepidocalyx is a shrub that typically grows to a height of up to 75 cm (30 in) and has glabrous branchlets, at least when they are mature. The leaves are spirally arranged, sometimes crowded, thick, linear and cylindrical, 6–20 mm (0.24–0.79 in) long and 1.0–1.5 mm (0.039–0.059 in) wide on a petiole 0.5–1.0 mm (0.020–0.039 in) long. The flowers are arranged singly in leaf axils on a peduncle 4–15 mm (0.16–0.59 in) long with bracts up to 3.2 mm (0.13 in) long. The flowers are 8–25 mm (0.31–0.98 in) in diameter with five sepals joined at the base, 4–7 mm (0.16–0.28 in) long but varying in length. The five petals are yellow, egg-shaped with the narrower end towards the base and 5–12 mm (0.20–0.47 in) long with a deep notch at the tip. There are nine or ten stamens fused at the base, on one side of the two scaly carpels that each contain three to six ovules. [2] [3]

Taxonomy

Hibbertia lepidocalyx was first formally described in 2002 Judith R. Wheeler in the journal Nuytsia from specimens collected near Lake King in 1968. [4] The specific epithet (lepidocalyx) means "scaly sepals". [5]

In the same journal, Wheeler described two subspecies and the names are accepted by the Australian Plant Census:

The subspecies epithet tuberculata mean refers to the wart-like lumps on the upper leaf surface. [2]

Distribution and habitat

Subspecies lepidocalyx grows in mallee and shrubland in the Mallee biogeographic region, [2] [8] and subspecies tuberculata is found in woodland and heath but is only known from two populations in the Coolgardie bioregion. [2] [9]

Conservation status

Hibbertia lepidocalyx and subspecies lepidocalyx are classified as "not threatened" but susp. tuberculata is classified as "Priority Three" by the Government of Western Australia Department of Parks and Wildlife [3] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [3] [8] [9] [10]

See also

Related Research Articles

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<i>Hibbertia avonensis</i> Species of flowering plant

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Hibbertia carinata is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is a shrub with crowded linear leaves and yellow flowers with nine to eleven stamens fused at their bases on one side of the two densely hairy carpels.

Hibbertia chartacea is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area of Western Australia. It is a shrub with glaucous, narrow oblong to narrow egg-shaped leaves and yellow flowers arranged on the ends of short side shoots with eleven stamens arranged in groups around the three carpels.

Hibbertia ferruginea is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is an erect or spreading shrub with linear, sessile leaves and yellow flowers borne in leaf axils near the ends of branchlets with fifteen stamens in five groups surrounding the five carpels.

Hibbertia depilipes is a species of flowering plant in the family Dilleniaceae and is endemic to the far south-west of Western Australia. It is usually a sprawling shrub with scattered linear leaves and yellow flowers arranged singly in leaf axils usually with ten stamens all on one side of the two carpels.

Hibbertia echiifolia is a species of flowering plant in the family Dilleniaceae and is endemic to northern Australia. It is a variable shrub with elliptic to lance-shaped or oblong leaves and yellow flowers arranged singly in leaf axils, with twenty-nine to forty-five stamens arranged around the three carpels.

Hibbertia fitzgeraldensis is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area in the south-west of Western Australia. It is a sprawling shrub with sometimes clustered linear leaves and yellow flowers borne on the ends of short side shoots, with eleven stamens in groups surrounding the three carpels.

Hibbertia glabrisepala is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is an erect to sprawling shrub with linear to narrow oblong leaves and bright yellow flowers borne on the ends of short side shoots, with fifteen stamens in groups surrounding the five carpels.

Hibbertia glabriuscula is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is a small, erect shrub with thick, oblong leaves and yellow flowers borne singly on the ends of branchlets, with six to twelve stamens arranged around the two carpels.

<i>Hibbertia glomerata</i> Species of flowering plant

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<i>Hibbertia glomerosa</i> Species of flowering plant

Hibbertia glomerosa is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is a shrub with linear to narrow oblong leaves and bright yellow flowers borne on the ends of short side shoots, with twenty-five to thirty-eight stamens arranged in groups of five around the five glabrous carpels.

Hibbertia graniticola is a species of flowering plant in the family Dilleniaceae and is endemic to the south-west of Western Australia. It is a shrub with thick, linear leaves and yellow flowers borne singly on the ends of branchlets, with seventeen to thirty stamens arranged around the two or three carpels.

Hibbertia hamulosa is a species of flowering plant in the family Dilleniaceae and is endemic to the south coast of Western Australia. It is a shrub with somewhat crowded, thick, linear leaves and golden yellow flowers with five to eight stamens fused at their bases, all on one side of two densely hairy carpels.

<i>Hibbertia hibbertioides</i> Species of flowering plant

Hibbertia hibbertioides is a species of flowering plant in the family Dilleniaceae and is endemic to near-coastal areas of south-western Western Australia. It is a small, prostrate or sprawling shrub with crowded, linear cylindrical leaves and yellow flowers with usually eleven stamens arranged in groups around three carpels.

Hibbertia hooglandii is a species of flowering plant in the family Dilleniaceae and is endemic to the Kimberley region of Western Australia. It is a small, erect or spreading, multi-stemmed shrub with linear leaves and golden yellow flowers arranged singly in leaf axils, with seventeen to twenty-five stamens, all on one side of two densely hairy carpels.

References

  1. ↑ "Hibbertia lepidocalyx". Australian Plant Census. Retrieved 7 July 2021.
  2. 1 2 3 4 5 6 Wheeler, Judith R. (2000). "Miscellaneous new species of Hibbertia (Dilleniaceae) from the wheatbelt and pastoral areas of Western Australia" (PDF). Nuytsia. 15 (1): 146–150. Retrieved 7 July 2021.
  3. 1 2 3 "Hibbertia lepidocalyx". FloraBase . Western Australian Government Department of Parks and Wildlife.
  4. ↑ "Hibbertia lepidocalyx". APNI. Retrieved 24 June 2021.
  5. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 238. ISBN   9780958034180.
  6. ↑ "Hibbertia lepidocalyx subsp. lepidocalyx". Australian Plant Census. Retrieved 7 July 2021.
  7. ↑ "Hibbertia lepidocalyx subsp. tuberculata". Australian Plant Census. Retrieved 7 July 2021.
  8. 1 2 "Hibbertia lepidocalyx subsp. lepidocalyx". FloraBase . Western Australian Government Department of Parks and Wildlife.
  9. 1 2 "Hibbertia lepidocalyx subsp. tuberculata". FloraBase . Western Australian Government Department of Parks and Wildlife.
  10. ↑ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 7 July 2021.
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