Lithocarpus hendersonianus

Lithocarpus hendersonianus is a tree species in the beech family Fagaceae. Trees in the genus Lithocarpus are commonly known as stone oaks and differ from Quercus primarily because they produce insect-pollinated flowers. This tree species is endemic to Peninsular Malaysia. It is categorized as Vulnerable by the IUCN Red List of Threatened Species, primarily due to habitat loss. [1]

Lithocarpus hendersonianus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Lithocarpus
Species:
L. hendersonianus
Binomial name
Lithocarpus hendersonianus
A.Camus

Description

This species produces fruits with an "enclosed receptacle", where the seed becomes embedded in the basal tissue of the fruit as it develops. This basal material becomes woody, granular and hard and replaces the outer wall of the ovary as the mechanically protective tissue for the seed.[2]

Taxonomy

Aimee Camus placed this species in the subgenus Liebmannia [3], a small group only containing two other species. It differs from the species in the subgenera Eulithocarpus and Synaedrys because of the shape and morphology of the enclosed seed and the thickness and development of the basal material enclosing the seed. [4]

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References
  1. Chua, L.S.L. (1998). "Lithocarpus hendersonianus". The IUCN Red List of Threatened Species. IUCN. 1998: e.T36323A9994569. doi:10.2305/IUCN.UK.1998.RLTS.T36323A9994569.en.
  2. Chen, Xi; Cannon, Charles H.; Conklin-Brittan, Nancy L. (2012). "Evidence for a Trade-Off Strategy in Stone Oak (Lithocarpus) Seeds between Physical and Chemical Defense Highlights Fiber as an Important Antifeedant". PLOS One. 7 (3): e32890. Bibcode:2012PLoSO...732890C. doi:10.1371/journal.pone.0032890. PMC 3310818. PMID 22457722.
  3. Camus, Aimee (1948). "Les chenes. Monographie des genres Quercus et Lithocarpus, Atlas vol. 3". Encyclopedie Economique de Sylviculture. 7: 152–165.
  4. Cannon, Charles H.; Manos, Paul S. (2000). "The Bornean Lithocarpus Bl. section Synaedrys (Lindl.) Barnett (Fagaceae): its circumscription and description of a new species" (PDF). Botanical Journal of the Linnean Society. 133 (3): 343–357. doi:10.1006/bojl.1999.0325. Retrieved 2020-03-20.
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