Osage Orange
Maclura pomifera
The Osage orange (Maclura pomifera) is a resilient, thorny tree famous for its heavy rot-resistant …
Amboina Maclura (Maclura amboinensis)
Amboina cudrania
Silhouette: T. Michael Keesey
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Maclura amboinensis: Botanical Profile and Identification
Characterized by its climbing habit and spiny branches, Maclura amboinensis thrives within the moist tropical biomes of Southeast Asia and the Pacific. This robust liana climbs high into the forest canopy, securing itself with sharp, woody thorns.
First described by Karl Ludwig von Blume in 1856, the plant represents the rich botanical diversity of the Malesian region. Its presence in coastal and lowland rain forests contributes to the structural complexity of these ecosystems.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes (Vascular Plants)
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ Angiosperms
- ∟ mesangiosperms (Core angiosperms)
- ∟ eudicots
- ∟ Superrosids
- ∟ rosids
- ∟ order Rosales
- ∟ family Moraceae
- ∟ genus Maclura (Osage orange)
- ∟ species Maclura amboinensis (Amboina Maclura)
Morphology
The physical characteristics of Maclura amboinensis reflect its life as a robust tropical climber. Its woody stems can reach considerable lengths, utilizing sharp axillary spines to hook onto surrounding trees for support.
The foliage features distinctive leaves that help distinguish it from related species:
- Shape: Oblong-elliptic to ovate, with a rounded base and an acuminate apex.
- Texture: Coriaceous or subcoriaceous, helping the plant retain moisture.
- Petiole: Short and sturdy, often accompanied by a sharp thorn at the node.
Reproductive organs are organized into compact, globose structures that are characteristic of the genus:
- Male Heads: Borne on short peduncles, containing numerous minute, four-parted flowers.
- Female Heads: Compact and fleshy, enlarging significantly after pollination.
- Syncarps: Globose, fleshy structures composed of fused individual fruits that attract animal dispersers.
Interesting facts
The plant demonstrates several notable botanical features:
- Amboina Origin: Its specific epithet refers to Ambon Island in Indonesia, where Karl Ludwig von Blume first collected and documented the species.
- Seed Dispersal: The sweet, fleshy syncarps are consumed by forest birds and bats, which play a critical role in dispersing the seeds across islands.
Geography of distribution
- Indonesia
- Philippines
- Malaysia
- Papua New Guinea
Sources
- Plants of the World Online (POWO) - Royal Botanic Gardens, Kew
- Global Biodiversity Information Facility (GBIF)
- World Flora Online (WFO)
See also
Silkworm thorn
Maclura tricuspidata
A deciduous tree native to East Asia, Maclura tricuspidata is known for its sweet, melon-flavored …
Dyer's mulberry tree
Maclura tinctoria
A medium to large neotropical tree famed for producing fustic, a natural yellow dye historically …
African Osage Orange
Maclura africana
A woody, thorny scrambler native to southeastern Africa and Madagascar, producing small yellow-orange fruits and …