Cephalotaxus harringtonii var. nana

Cephalotaxaceae Cephalotaxus harringtonii var. nana (Nakai) Rehder

Etymology
Cephalotaxus refers to ‘head’ taxus; referring to the seed cone structure and its similarity to taxus.
harringtonii refers to the Earl of Harrington, who donated it to a pinetum at Woburn Abbey.
nana refers to ‘small’; indicating its shrubby habit.

Colloquial Name
Dwarf Harrington’s plum yew, Dwarf Japanese plum yew

Subordinate Taxa
There exist 3 subordinate taxa for Cephalotaxus harringtonii:

Distribution

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TDWG Codes
3, 38, JAP, JAP-HK, JAP-HN

Habitat
The natural habitats for Cephalotaxus harringtonii var. nana are temperate forests. It is naturally found at an elevation of at least 1 up to 1900 metres. There are no conifers associated with Cephalotaxus harringtonii var. nana that are known of.

USDA Hardiness zone – 7
Cephalotaxus harringtonii var. nana is hardy to USDA Zone 7 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -17.8C (0F) to -12.2C (10F).

Species Continuity
The population trend for Cephalotaxus harringtonii var. nana is stable. There are no known threats for Cephalotaxus harringtonii var. nana.

IUCN Category – LC
According to the IUCN Red List, Cephalotaxus harringtonii var. nana has been assigned the status of LC(Least Concern). This means that according to the Red List criteria, this species is not qualified as threatened.

Superordinate Taxa
The nearest superordinate taxon for Cephalotaxus harringtonii is Cephalotaxus. The coordinate taxa for Cephalotaxus harringtonii are therefore:

Cephalotaxus harringtonii var. nana is also placed under Cephalotaxaceae. As Cephalotaxus is the sole genus under Cephalotaxaceae, this family is a monophyletic family. Cephalotaxaceae is found in South and Southeast Asia, with China as its hotspot for Cephalotaxaceae diversity.

This map shows botanical records (points) for this taxon. By opening the map’s sidebar (collapsed by default) you can toggle visibility or change the basemap. By clicking on records, you reveal more information.