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Notoleptopus
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malpighiales
Family:	Phyllanthaceae
Subfamily:	Phyllanthoideae
Tribe:	Poranthereae
Genus:	Notoleptopus Voronts. & Petra Hoffm.
Species:	N. decaisnei
Binomial name
Notoleptopus decaisnei (Benth.) Voronts. & Petra Hoffm.

Notoleptopus is a monotypic genus of flowering plants in the family Phyllanthaceae. It is one of eight genera in the tribe Poranthereae. The sole species is Notoleptopus decaisnei. It is a monoecious shrub, native to Australia, New Guinea, and Indonesia.

Notoleptopus decaisnei had long been treated as a species of Leptopus, but in 2007, a molecular phylogenetic study of DNA sequences found it to be sister to a clade consisting of Pseudophyllanthus and Poranthera. In 2008, the new genus Notoleptopus was created for it.

The species, N. decaisnei, has eleven synonyms, and was first described as Andrachne decaisnei by George Bentham in 1873. The species epithet honours Joseph Decaisne.

• Andrachne decaisnei Benth.
• Andrachne decaisnei var. orbicularis Benth.
• Andrachne fruticosa Decne. ex Müll.Arg.
• Andrachne fruticosa var. orbicularis (Benth.) Pax & K.Hoffm.
• Andrachne orbicularis (Benth.) Domin
• Arachne decaisnei (Benth.) Pojark.
• Arachne fruticosa Hurus.
• Arachne orbicularis (Benth.) Pojark.
• Leptopus decaisnei (Benth.) Pojark.
• Leptopus decaisnei var. orbicularis (Benth.) Airy Shaw
• Leptopus orbicularis (Benth.) Pojark.

Description

Bentham describes the species Andrachne Decaisnei as follows:

Apparently annual, but the stems hard and woody-looking at the base, much branched, decumbent, attaining 1 to 2 or even 3 ft., the whole plant softly villous. Leaves broadly obovate or obovate-oblong, ½ to ¾ in. long, on rather long petioles. Male flowers 2 or 3 together on very short pedicels. Calyx-segments 5, lanceolate, acute, spreading, about ½ line long. Petals narrow, nearly as long as the calyx. Female flowers solitary in the same axils as the males, on pedicels attaining 1 line when in fruit. Calyx-segments under the fruit broadly ovate, fully 1 line long, the base of the calyx contracted into a distinct stipes. Styles divided to the base into 2 branches. Capsule depressed, orbicular, villous, about 2 lines diameter.

In Australia, it is found in Western Australia, the Northern Territory and Queensland. In Queensland, under the Nature Conservation Act 1992, it is declared a species of "least concern".

References

1. Maria S Vorontsova; Petra Hoffman; Olivier Maurin; Mark W Chase (1 December 2007). "Molecular phylogenetics of tribe Poranthereae (Phyllanthaceae; Euphorbiaceae sensu lato)". American Journal of Botany. 94 (12): 2026–2040. doi:10.3732/AJB.94.12.2026. ISSN 0002-9122. PMID 21636396. Wikidata Q34189295.
2. Maria S. Vorontsova; Petra Hoffmann (March 2008). "A phylogenetic classification of tribe Poranthereae (Phyllanthaceae, Euphorbiaceae sensu lato)" (PDF). Kew Bulletin. 63 (1): 41–59. doi:10.1007/S12225-007-9012-8. ISSN 0075-5974. Wikidata Q43191309.
3. ^ "Notoleptopus decaisnei (Benth.) Voronts. & Petra Hoffm. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2021-12-13.
4. "Notoleptopus decaisnei". Australian Plant Name Index, IBIS database. Centre for Plant Biodiversity Research, Australian Government.
5. ^ Bentham, G. (23 September 1873). "Euphorbiaceae". Flora Australiensis. 6: 88.
6. The State of Queensland, Department of Environment and Science Communications (2014-10-20). "Species profile | Environment, land and water". apps.des.qld.gov.au. Retrieved 2021-12-13.

External links

• Images & occurrence data from GBIF

• v
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• Phyllanthaceae
• Monotypic Malpighiales genera
• Flora of Australia
• Flora of New Guinea
• Flora of Java
• Flora of the Lesser Sunda Islands
• Phyllanthaceae genera
• Phyllanthaceae stubs