Tsuga mertensiana ssp. grandicona

Pinaceae Tsuga mertensiana ssp. grandicona Farjon

Etymology
Tsuga refers to the Japanese name for this tree.
mertensiana refers to the plant collector K. H. Mertens.
grandicona refers to ‘large cones’; indicating its cones can become larger than ssp. mertensiana.

Colloquial Name
Large-cone mountain hemlock

Subordinate Taxa
There exist 3 subordinate taxa for Tsuga mertensiana:

Distribution

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.

TDWG Codes
7, 76, CAL, NEV

Habitat
The natural habitats for Tsuga mertensiana ssp. grandicona are temperate forests. The natural elevation is unknown. There are no conifers associated with Tsuga mertensiana ssp. grandicona that are known of.

USDA Hardiness zone – 4
Tsuga mertensiana ssp. grandicona is hardy to USDA Zone 4 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -34.4C (-30F) to 28.9C (-20F).

Species Continuity
The population trend for Tsuga mertensiana ssp. grandicona is stable. There are ongoing threats for Tsuga mertensiana ssp. grandicona and they are listed as follows:

• 3 Climate Change & Natural Disasters
  • 3.3 Habitat Shifting & Alteration

IUCN Category – LC
According to the IUCN Red List, Tsuga mertensiana ssp. grandicona 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 Tsuga mertensiana is Tsuga. The coordinate taxa for Tsuga mertensiana are therefore:

Tsuga mertensiana ssp. grandicona is further placed under Abietoideae. Tsuga mertensiana ssp. grandicona is also placed under Pinaceae.