Lepidopetalum

Lepidopetalum is a genus of six species of trees known to science, constituting part of the plant family Sapindaceae.[2][4][5][6]

Lepidopetalum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Sapindales
Family: Sapindaceae
Subfamily: Sapindoideae
Genus: Lepidopetalum
Blume[1][2][3]
Type species
Lepidopetalum perrottetii
Species

See text

They grow naturally in New Guinea, New Britain, New Ireland, Bougainville, the Andaman and Nicobar Islands, Sumatra and Cape York Peninsula, Queensland, Australia.[2][6][7][8]

Description
  • Trees or sometimes remaining as shrubs, with greyish brown bark; monoecious; indumentum only simple hairs.
  • Branchlets smooth or slightly grooved, lenticellate, hairy in new growth.
  • Leaves paripinnate, without stipules, arranged alternately, petiole attachment to branch swollen, that and rachis not winged.
  • Leaflets arranged ± opposite, increasing in size from base to apex, first ovate then to elliptic and obovate; petiolule short with a pulvinule; blade base cuneate, margins smooth, flat, both surfaces smooth apart from undersides’ hair–tufts domatia and raised veins.
  • Inflorescences ramiflorous or arising from leaf axils, reduced thyrses with each node bearing usually 3 short cymes.
  • Flowers regular–symmetrical, yellow–cream–white, pedicellate. Calyx of 5 sepals with triangular to oval–shaped lobes. Petals tiny, with their scales larger and usually without crests. Disc circular surrounding the bases of the 8–10 hairy stamens. Ovary 2 locular.
  • Fruits obovoid–shaped, dehiscent red capsules, each composed of 2 valves and usually only developing 1 seed.
  • Seeds ellipse-like shaped, black, with orange arils, which cover them from only at the base to nearly completely.

—Sourced from Flora Malesiana and the Flora of Australia.[2][6]

Species

This listing was sourced from Flora Malesiana,[2] and the Australian Plant Name Index and Australian Plant Census.:[3]

  • Lepidopetalum fructoglabrum Welzen – New Guinea[9]
  • Lepidopetalum micans Lauterb. & K.Schum. – New Guinea[10]
  • Lepidopetalum montanum (Blume) Radlk. – Andaman Is. and Nicobar Is., Sumatra[11]
  • Lepidopetalum perrottetii (Cambess.) Blume – Philippines[12]
  • Lepidopetalum subdichotomum Radlk. – Solomon Is., New Guinea, New Britain, New Ireland, Bougainville[13]
  • Lepidopetalum xylocarpum Radlk. – New Guinea[14]

The species identification of the trees which grow naturally in Cape York Peninsula, Australia, has differed through recent history and between published sources. In 1985 Sally T. Reynolds published the name L. subdichotomum for them, in her scientific paper and the Flora of Australia treatment.[7][15] In Peter C. van Welzen's 1992 genus review scientific paper and 1994 Flora Malesiana treatment only L. xylocarpum has the NE. Australia distribution record.[4][14] As of November 2013 the Australian Plant Name Index implies the accepted name of L. xylocarpum for Australian plants and the name L. subdichotomum as misapplied to them, but the Australian Plant Census has not explicitly recorded that current accepted name;[3] the previous current accepted name L. fructoglabrum no longer appears listed.[15][16] The Queensland Herbarium's 2013 Census of the Queensland Flora, the 2004 Fruits of the Australian Tropical Rainforest major book and the Australian Tropical Rainforest Plants information system (Dec 2010) record L. fructoglabrum as the accepted name.[8][17][18] Hence as of November 2013, collectively these sources indicate that the species identification of the NE. Australian trees remains uncertain.

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References
  1. Blume, Carl L. (1847). "Lepidopetalum; Lepidopetalum perrottetii". XXVIII. De Quibusdam Sapindaceis Maxima Parte Indiæ Orientali Propriis [28. On some Sapindaceae of the greater part of India and the East] (Digitised archive copy, online, from biodiversitylibrary.org). Rumphia (in Latin). 3. pp. 171–172. Retrieved 26 Nov 2013.
  2. Welzen (1994) Flora Malesiana p. 622–627. Digitised, online "Lepidopetalum". Retrieved 23 Nov 2013.
  3. "Lepidopetalum%". Australian Plant Name Index (APNI), Integrated Botanical Information System (IBIS) database (listing by % wildcard matching of all taxa relevant to Australia). Centre for Plant Biodiversity Research, Australian Government. Retrieved 23 Nov 2013.
  4. Welzen, Peter C. van; Piskaut, P.; Windadri, F. I. (1992). "Lepidopetalum Blume (Sapindaceae): Taxonomy, Phylogeny, and Historical Biogeography" (Google Books snippets version only). Blumea. 36 (2): 439–465. Retrieved 23 Nov 2013.
  5. Hyland et al. (2010) [RFK 6.1] "Factsheet – Sapindaceae". Retrieved 23 Nov 2013.
  6. Reynolds (1985) Flora of Australia. Online "Lepidopetalum". Retrieved 23 Nov 2013.
  7. Reynolds, Sally T. (1985). "Notes on Sapindaceae in Australia, IV". Austrobaileya. 2 (2): 153–189. JSTOR 41738663.
  8. Bostock, Peter D.; Holland, Ailsa E., eds. (16 Aug 2013). "Lepidopetalum fructoglabrum Welzen". 2013 Census of the Queensland Flora. Brisbane: Queensland Herbarium, Department of Science, Information Technology, Innovation and the Arts. Retrieved 1 Jan 2014.
  9. Welzen (1994) Flora Malesiana p. 622–23. Digitised, online "Lepidopetalum fructoglabrum". Retrieved 23 Nov 2013.
  10. Welzen (1994) Flora Malesiana p. 623. Digitised, online "Lepidopetalum micans". Retrieved 23 Nov 2013.
  11. Welzen (1994) Flora Malesiana p. 623–24. Digitised, online "Lepidopetalum montanum". Retrieved 23 Nov 2013.
  12. Welzen (1994) Flora Malesiana p. 624. Digitised, online "Lepidopetalum perrottetii". Retrieved 23 Nov 2013.
  13. Welzen (1994) Flora Malesiana p. 624–26. Digitised, online "Lepidopetalum subdichotomum". Retrieved 23 Nov 2013.
  14. Welzen (1994) Flora Malesiana p. 626–27. Digitised, online "Lepidopetalum xylocarpum". Retrieved 23 Nov 2013.
  15. Reynolds (1985) Flora of Australia. Online "Lepidopetalum fructoglabrum". as described under the name "L. subdichotomum". Retrieved 23 Nov 2013.
  16. Reynolds (1985) Flora of Australia. Online "L. subdichotomum". Retrieved 23 Nov 2013.
  17. Hyland et al. (2010) [RFK 6.1] "Factsheet – Lepidopetalum fructoglabrum". Retrieved 23 Nov 2013.
  18. Cooper, Wendy; Cooper, William T. (June 2004). "Lepidopetalum Blume; Lepidopetalum fructoglabrum Welzen". Fruits of the Australian Tropical Rainforest. Clifton Hill, Victoria, Australia: Nokomis Editions. p. 495. ISBN 9780958174213. Archived from the original on 9 April 2013. Retrieved 24 Nov 2013.

Cited works
  • Hyland, B. P. M.; Whiffin, T.; Zich, F. A.; et al. (Dec 2010). "Home". Australian Tropical Rainforest Plants (6.1, online version RFK 6.1 ed.). Cairns, Australia: Commonwealth Scientific and Industrial Research Organisation (CSIRO), through its Division of Plant Industry; the Centre for Australian National Biodiversity Research; the Australian Tropical Herbarium, James Cook University. Retrieved 23 Nov 2013.
  • Reynolds, Sally T. (1985). "Lepidopetalum". In George, A. S. (ed.). Flora of Australia: Volume 25—Melianthaceae to Simaroubaceae (online version). Flora of Australia series. CSIRO Publishing / Australian Biological Resources Study. p. 87. ISBN 978-0-644-03724-2. Retrieved 23 Nov 2013.CS1 maint: ref=harv (link)
  • Welzen, Peter C. van (1994). "Lepidopetalum". In Adema, F.; Leenhouts, P. W.; Welzen, P. C. van (eds.). Flora Malesiana. Series I, Spermatophyta : Flowering Plants. Vol. 11 pt. 3: Sapindaceae. Leiden, The Netherlands: Rijksherbarium / Hortus Botanicus, Leiden University. pp. 620–627. ISBN 90-71236-21-8.CS1 maint: ref=harv (link)
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