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Hibbertia stricta - Wikipedia

From Wikipedia, the free encyclopedia

Hibbertia stricta

Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Dilleniales
Family:	Dilleniaceae
Genus:	Hibbertia
Species:	H. stricta
Binomial name
*Hibbertia stricta* (DC.) R.Br. ex F.Muell.^[1]
Synonyms^[1]
Hibbertia stricta DC. nom. inval., pro syn. Hibbertia stricta (DC.) R.Br. ex F.Muell. f. stricta Hibbertia stricta (DC.) R.Br. ex F.Muell. var. stricta Pleurandra microphylla Sieber ex Spreng. Pleurandra riparia var. microphylla Hook.f. Pleurandra riparia var. stricta (DC.) Hook.f. Pleurandra striata G.Don orth. var. Pleurandra stricta DC. Pleurandra stricta Sieber ex Spreng. nom. illeg.

Hibbertia stricta is a species of flowering plant in the family Dilleniaceae and is endemic to New South Wales. It is a small, usually upright shrub with hairy foliage, linear leaves and yellow flowers with six or seven stamens arranged around two woolly-hairy carpels.

Description

Hibertia stricta is an upright shrub that typically grows to a height of 0.8–1.3 m (2 ft 7 in – 4 ft 3 in) and has hairy foliage and ridged branchlets. The leaves are linear, mostly 6–12 mm (0.24–0.47 in) long and 0.4–0.8 mm (0.016–0.031 in) wide on a petiole 0.2–1.1 mm (0.0079–0.0433 in) long. The flowers are arranged singly, mostly on the ends of short side-branches and are more or less sessile. The five sepals are narrowly egg-shaped, densely hairy on the outer surface, 4.5–7.0 mm (0.18–0.28 in) long and joined at the base, the two outer sepals slightly shorter than the other three. The petals are yellow, 4.0–6.5 mm (0.16–0.26 in) long and about 3 mm (0.12 in) wide with six or seven stamens arranged around two carpels, each with four ovules. Flowering occurs from September to February.^[2]^[3]

Taxonomy

This species was first formally described in 1817 by Augustin Pyramus de Candolle in his Regni Vegetabilis Systema Naturale, and was given the name Pleurandra stricta from an unpublished description by Robert Brown of specimens Brown collected near Port Jackson.^[4]^[5] In 1862, Ferdinand von Mueller changed the name to Hibbertia stricta in his book, The Plants Indigenous to the Colony of Victoria.^[6]^[7] The specific epithet (stricta) means "upright" or "straight".^[8]

In 2012, Hellmut R. Toelken described H. stricta subsp. furculata and its name, and that of the autonym are accepted by the Australian Plant Census.^[9] Subspecies furcatula has longer hairs on the upper leaf surface and the edges of the rolled-under leaves do not reach the midvein.^[10]^[11]

Distribution and habitat

Hibbertia stricta grows on sandy soil in low-lying areas between Sydney and Jervis Bay, but subspecies furculata is only known from two populations - one near Nowra and the other near Loftus.^[2]^[10]^[11]^[12]

Conservation status

Subspecies furculata is listed as "endangered" under the New South Wales Government Biodiversity Conservation Act 2016.^[12]

References

^ ^a ^b "Hibbertia stricta". Australian Plant Census. Retrieved 4 November 2021.
^ ^a ^b "Hibbertia stricta". Royal Botanic Garden Sydney. Retrieved 4 November 2021.
^ Toelken, Hellmut R.; Miller, Robert T. (2012). "Notes on Hibbertia (Dilleniaceae) 8. Seven new species, a new combination and four new subspecies from subgen. Hemistemma, mainly from the central coast of New South Wales" (PDF). Journal of the Adelaide Botanic Gardens. 25 (1): 90–91. Retrieved 3 November 2021.
^ "Pleurandra stricta". APNI. Retrieved 4 November 2021.
^ de Candolle, Augustin P. (1817). Regni Vegetabilis Systema Naturale. Paris. p. 422.
^ "Hibbertia stricta". APNI. Retrieved 4 November 2021.
^ von Mueller, Ferdinand (1862). The Plants Indigenous to the Colony of Victoria. Melbourne: Victorian Government Printer. pp. 15–16. Retrieved 3 November 2021.
^ William T. Stearn (1992). Botanical Latin. History, grammar, syntax, terminology and vocabulary (4th ed.). Portland, Oregon: Timber Press. p. 506.
^ "Hibbertia stricta subsp. furculata". Australian Plant Census. Retrieved 4 November 2021.
^ ^a ^b "Hibbertia stricta subsp. stricta". Royal Botanic Garden Sydney. Retrieved 4 November 2021.
^ ^a ^b "Hibbertia stricta subsp. furculata". Royal Botanic Garden Sydney. Retrieved 4 November 2021.
^ ^a ^b "Hibbertia stricta subspecies furculata - profile". New South Wales Government Office of Environment and Heritage. Retrieved 4 November 2021.

Taxon identifiers
Hibbertia stricta	Wikidata: Q17395436 Wikispecies: Hibbertia stricta APNI: 91036 eFloraSA: Hibbertia_stricta GBIF: 7304027 GRIN: 18992 iNaturalist: 334810 IPNI: 77130611-1 NSWFlora: Hibbertia~stricta Open Tree of Life: 5729466 POWO: urn:lsid:ipni.org:names:77130611-1 Tropicos: 10900231 VicFlora: c4f8123b-b084-4f40-9a28-ffa26adf4027
Hibbertia stricta subsp. furcatula	Wikidata: Q66104506 APNI: 240442 GBIF: 8100693 IPNI: 77121207-1 POWO: urn:lsid:ipni.org:names:77121207-1 WFO: wfo-0001362318
Hibbertia stricta subsp. stricta	Wikidata: Q95498766 Wikispecies: Hibbertia stricta subsp. stricta APNI: 236304 GBIF: 7788712 POWO: urn:lsid:ipni.org:names:77231162-1

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