Berry-drupe Harrington Plum Yew (Cephalotaxus harringtonia var. drupacea)

Japanese plum-yew plum-fruit-yew cow's-tail-pine
Silhouette: LeonardoG (photography) and T. Michael Keesey (vectorization) / License

Cephalotaxus harringtonia var. drupacea: Japanese Plum-Yew Variety

Growing in the moist mountain forests of Japan and the Korean Peninsula, this evergreen conifer stands out with its distinct plum-like seed cones. It typically forms a dense, wide-spreading shrub or a small tree that is highly valued for its shade tolerance. The plant plays an important role in forest understory ecosystems across its native East Asian range.

Horticulturalists appreciate this variety for its elegant arching branches and glossy needles. However, because it contains potent toxic compounds, it requires cautious handling in residential landscapes. Cephalotaxus harringtonia var. drupacea remains a classic choice for traditional Japanese gardens and woodland borders.

Taxonomy

Morphology

The growth habit of this conifer is typically shrubby, reaching heights of 3 to 10 meters with a broad spread. Its linear, needle-like leaves are arranged in two flat, horizontal ranks along the twigs. Each needle is glossy dark green on the upper surface, marked by two prominent light-colored stomatal bands underneath.

This variety is dioecious, meaning individual plants are either male or female. The female plants produce large, drupe-like seeds enclosed in a fleshy, green-to-brown aril. These seed structures resemble small plums, which gives the plant its common name.

Flowering season

Pollen is released from male cones in spring, typically between March and May.

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Applications

The primary use of this plant is as a hardy ornamental specimen in shaded landscape designs. Its dense growth and high shade tolerance make it ideal for understory planting and hedges. In traditional Japanese garden design, it is frequently used to create textured green backdrops.

In the scientific and medical fields, this variety is studied for its chemical compounds. It contains bioactive alkaloids, such as homoharringtonine, which have been researched for their anti-leukemia properties. Historically, the oil pressed from its seeds was utilized as an illuminant in lamps.

Interesting facts

  • The botanical name drupacea directly refers to the plum-like or drupaceous appearance of the fleshy seed coverings.
  • Unlike true yews of the genus Taxus, this plum-yew produces significantly larger seed structures that ripen over two seasons.
  • It can survive in deep shade where most other coniferous species would fail to grow.

Geography of distribution

  • Japan
  • South Korea

Sources

  • Reference to the Plants of the World Online (POWO) database for distribution and taxonomic status.
  • Data from the World Flora Online (WFO) catalog regarding botanical synonyms.
  • Geographic and occurrence records maintained by the Global Biodiversity Information Facility (GBIF).

Technical Information

External Databases: GBIF