Notoleptopus

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Notoleptopus
Scientific classification Edit this 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.[1] In 2008, the new genus Notoleptopus was created for it.[2]

The species, N. decaisnei, has eleven synonyms,[3] and was first described as Andrachne decaisnei by George Bentham in 1873.[4][5] 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.[5]

In Australia, it is found in Western Australia, the Northern Territory and Queensland.[3] In Queensland, under the Nature Conservation Act 1992, it is declared a species of "least concern".[6]

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. ^ a b "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. ^ a b 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


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