Sumatran plum yew (Cephalotaxus sumatrana)
Cephalotaxus sumatrana (Sumatran Plum Yew) - Species Overview
Thriving in the high-altitude montane forests of Indonesia, Cephalotaxus sumatrana represents a rare and lesser-known conifer species. It grows primarily as an understory shrub or small tree in moist tropical highlands.
Its survival is closely tied to the preservation of pristine mossy rainforests, which face ongoing threats from habitat fragmentation and climate change.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ superclass Gymnospermae
- ∟ division Pinophyta
- ∟ subclass Cupressidae
- ∟ order Cupressales (Cypresses and junipers)
- ∟ family Cephalotaxaceae (Plum-yews family)
- ∟ genus Cephalotaxus (Plum yew)
- ∟ species Cephalotaxus sumatrana (Sumatran plum yew)
Morphology
This evergreen conifer typically exhibits a shrubby growth habit or develops as a small tree up to 10 to 15 meters in height. The branches are spreading, carrying spirally arranged needles that are twisted at the base to appear two-ranked.
Key botanical characteristics include:
- Linear, leathery needles that are dark green and glossy on the upper surface.
- Two distinct white stomatal bands running along the underside of the needles.
- Seeds enclosed in a fleshy, plum-like aril, which is a signature trait of the genus.
Applications
Due to its rarity and isolated distribution, the species has limited commercial applications:
- Local communities have occasionally used its wood for small-scale construction or firewood.
- Like other members of the genus, it may contain alkaloid compounds of chemical interest.
Interesting facts
The specific epithet sumatrana directly refers to the island of Sumatra, where this conifer was first collected and described by botanists.
Its seeds, which resemble small plums, are typically dispersed by forest animals and birds that consume the fleshy, attractive aril.
Geography of distribution
- Indonesia