| Hibiscus cravenii | |
|---|---|
| Conservation status | |
 Vulnerable (EPBC Act) | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Malvaceae |
| Genus: | Hibiscus |
| Species: | H. cravenii |
| Binomial name | |
| Hibiscus cravenii (Fryxell) B.E.Pfeil & Craven | |
| Synonyms | |
|
Alyogyne cravenii Fryxell | |
Hibiscus cravenii is a species of flowering plant in the mallow family, Malvaceae, that is endemic to the Northern Territory in Australia.
Description
Hibiscus cravenii is a shrub in the family Malvaceae, growing to a height of 3 m. Its branchlets with are densely hairy with stellate hairs 0.2–0.8 mm long. The leaves, the epicalyx and the calyx are also densely hairy with stellate hairs. The stipules fall off (are deciduous), and of length 4–6 mm. The Petiole is up to 2.5 cm long. The leaf blade is ovate and not lobed (15 cm long by 19 cm wide). There is no leaf nectary. The leaf is palmately 7 nerved, of the same colour on both upper and lower surfaces (concolorous), with a truncate base, an acute apex, and having serrate margins. The flowers are solitary in the upper axils on pedicels 5–20 mm long. The petals are sparsely stellate on both surfaces, about 4 cm long, and mauve. The staminal column is about 17 mm long, with filaments 1–2 mm long. There is a single style. The seed is kidney-shaped, covered in short hairs and 2.5–3 mm long.
Distribution and habitat
It is endemic to Keep River NP in NT in the Victoria Bonaparte bioregion, growing on the deeper sandy soils of a small valley floor amongst sandstone ranges.
Ecology
It flowers from May to July, fruiting from June to December.
Taxonomy
Hibiscus cravenii was first described by Paul Fryxell in 1987 as Alogyne cravenii., but was placed in the genus, Hibiscus, in 2004 by Bernard Pfeil and Lyndley Craven.
References
- "Advice to the Minister for the Environment and Heritage from the Threatened Species Scientific Committee on Amendments to the list of Threatened Species under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act)" (PDF). Department of the Environment, Water, Heritage and the Arts. Retrieved 24 January 2010.
- ^ Pfeil, B.E. & Craven, L.A. (2004) The Australian Alyogyne cravenii transferred to Hibiscus (Malvaceae). Novon 14: 323.
- ^ "Hibiscus cravenii ". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 23 January 2010.
- ^ NT Flora factsheet: Hibiscus cravenii. Northern Territory Flora online, The Northern Territory Government. Retrieved 10 May 2019.
- Fryxell, P.A., (1987) Three new species (from Australia and Venezuela) and three new names(of Mexican plants) in the Malvaceae. Systematic Botany 12: 277–279.
| Taxon identifiers | |
|---|---|
| Hibiscus cravenii | |
| Alyogyne cravenii | |
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