Notice

Colin Mills, compiler of the Hortus Camdenensis, died in late November 2012 after a short illness. As he always considered the Hortus his legacy, it is his family's intention to keep the site running in perpetuity. It will not, however, be updated in the near future.

Cycads and Conifers

A division of the Camden Park catalogues that is clearly defined and well understood.

Cephalotaxus harringtonia (Knight ex Forbes) K.Koch

A somewhat variable evergreen shrub or small tree, up to 12m in the wild, with linear leaves to 6cm long in irregular rows with two pale bands beneath, separate male and female flowers and brown to purple drupe-like fruits to 2.5cm long.  There are a number of garden forms.  [RHSD, Hortus, HFSEA].

Cryptomeria japonica D.Don

Fully-hardy, evergreen conical or columnar tree with thick, fibrous, red-brown bark, narrowly wedge-shaped, forward-pointing leaves, to 1.5cm long, in 5-ranked spirals around the shoots, and solitary, spherical female cones, to 3cm long.  To 25m.  The timber is white, compact, fibrous and highly prized in Japan and Northern China  [RHSE, Hortus, Hilliers']. 

Cryptomeria japonica D.Don var. lobbii

See Cryptomeria japonica D.Don for a detailed description.  ‘Lobbii’ differs from the type in its longer branchlets, more clustered at the ends of the shorter branches.  [RHSD, Hortus, Hilliers']. 

Cunninghamia lanceolata (Lamb.) Hook.f.

Fully-hardy, evergreen conical tree, developing a rounded top with age, with glossy, irregularly lance-shaped leaves, to 7cm long, with 2 white bands beneath, and ovoid to conical green-brown female cones, to 4cm long.  To 20m.  [RHSE, Hortus, Hilliers']. 

Cupressus australis Low ex Gord.

A synonym of Cupressus sempervirens L.  See Cupressus sempervirens L. var. stricta for a description.

Cupressus funebris Endl.

An evergreen, erect tree when young, becoming more open and pendulous with age, branches spreading and drooping, branchlets pendulous, with paired, overlapping, scale-like leaves, and small, spherical female cones.  To 15m.  [RHSD, Hortus, Hilliers'].

Cupressus goveniana Gord.

Fully hardy conical shrub or tree with loosely arranged, ascending branches, long, drooping branchlets, and globular cones to 2cm long.  To 22m.  There are a number of garden varieties, such as pygmaea and aurea.  [RHSE, Hortus, Hilliers'].

Cupressus lusitanica Mill.

Conical to columnar conifer with brown bark, shallowly fissured in spirals, with small blue-green leaves in spreading sprays, and spherical, shiny brown female cones, to 1.5cm across.  To 20m.  [RHSD, Hortus, Hilliers'].

Cupressus lusitanica Mill. var. benthamii (Endl.) Carrière

For a description of the type see Cupressus lusitanica Mill.  The variety benthamii is an evergreen, narrowly conical tree in which the branchlets are flattened, giving a fern-like appearance, with fissured brown bark, bright green leaves, to 3mm long, and spherical blue, then brown female cones, to 1.5cm across.  To 20m.  [RHSD, Hortus, Hilliers'].

Cupressus macrocarpa Hartw. ex Gord.

Fully-hardy fast-growing, evergreen, conical or columnar tree, becoming broadly spreading with age, with shallowly-ridged bark, pointed, lemon-scented leaves, to 2mm long, in densely packed, erect or spreading sprays, and spherical brown female cones, to 3cm across.  To 30m.  [RHSE, Hortus, Hilliers'].

Cupressus sempervirens L. var. horizontalis Gord.

See Cupressus sempervirens L. var. stricta for a description of the upright form strictaHorizontalis is the wild form with spreading branches and a conical crown.  [RHSE, Hortus, Hilliers'].

Cupressus sempervirens L. var. stricta

Fully-hardy, evergreen, narrowly upright, columnar, forming a very narrow, pencil-like tree, with fused and flattened branches, and spherical, prickly brown female cones, to 3.5cm long.  To 40m.  [RHSE, Hortus, Hilliers'].

Cupressus torulosa D.Don

Half-hardy evergreen tree, conical when young, becoming broad and columnar with age, with red-brown bark, horizontal branches, flattened sprays of whip-like branchlets, and spherical, prickly, green-brown female cones, to 2cm across.  To 30m.  [RHSE, Hortus, Hilliers'].

Cupressus uhdeana Gord. ex Carri?re

For a description of the type see Cupressus lusitanica Mill.  Cupressus uhdeana is probably synonymous with Cupressus lusitanica Mill. var. benthamii (Endl.) Carrière, which see.  I have found no specific description of uhdeanaJohnson’s Dictionary describes it as a greenhouse plant.

Juniperus bermudiana L.

Half-hardy, densely branched, pyramidal tree with maroon-brown bark, tetragonal branches with rigid branchlets, 4-ranked ovate leaves, and small, violet cones.  To 15m.  [RHSD, Hortus].

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