Petrobium

Petrobium is a genus in the family Asteraceae.[5][6]

Petrobium
Petrobium arboreum[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Coreopsideae
Genus: Petrobium
R.Br. 1818 not Bong. 1838 (Melastomataceae)[3]
Species:
P. arboreum
Binomial name
Petrobium arboreum
(J.R.Forst. & G.Forst.) R.Br. ex Spreng.
Synonyms[4]
  • Laxmannia J.R.Forst. & G.Forst.1775, rejected name, not R.Br. 1810 (Asparagaceae) nor Schreb. 1791 (Rutaceae) nor S.G.Gmel. ex Trin. 1818 (Rubiaceae)
  • Drimyphyllum Burch. ex DC.
  • [haretranthus Klatt
  • [haretranthus ferrugineus Klatt
  • [axmannia arborea J.R.Forst. & G.Forst.
  • Drimyphyllum helenianum Burch. ex DC.

The only known species is Petrobium arboreum, called Saint Helena whitewood. It is found in the tree-fern thicket at the top of the central ridge of island of Saint Helena in the South Atlantic Ocean. The plants are either female or hermaphrodite, i.e. the species is gynodioecious.[4]

See also

References
  1. 1875 illustration from page 399 of St. Helena: a physical, historical, and topographical description of the island ... The botanical plates from original drawings by Mrs. J. C. Melliss, by Melliss, John Charles. Original held and digitised by the British Library
  2. Lambdon, P.W.; Ellick, S. (2016). "Petrobium arboreum". IUCN Red List of Threatened Species. 2016: e.T37597A67371334. doi:10.2305/IUCN.UK.2016-1.RLTS.T37597A67371334.en. Retrieved 18 November 2021.
  3. Tropicos, search for Petrobium
  4. Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-12-29 at archive.today
  5. Brown, Robert. 1818. Transactions of the Linnean Society of London 12(1): 113-114 description in Latin, commentary in English
  6. Tropicos, Petrobium R. Br.


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