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.

Araucaria species unidentified New Caledonia

No description.  This plant is probably identical to Araucaria columnaris (Forst.f.) Hook. which see, listed under the name Araucaria Cookii in the 1857 catalogue.  The unidentified species was probably replaced by Araucaria Cookii in the 1857 edition when Macarthur confirmed its identity.

Athrotaxis cupressoides D.Don

Athrotaxus is a genus of two species of Tasmanian conifers although a number of hybrids were given specific status in the early literature.  Athrotaxis cupressoides D.Don is a small erect tree with small, dark-green, scale-like leaves pressed close to the stems.  To 10m.  [RHSD, Hortus, Hilliers', APNI]. 

Athrotaxis selaginoides D.Don

Athrotaxus is a genus of two species of Tasmanian conifers although a number of hybrids were given specific status in the early literature.  Athrotaxis selaginoides D.Don is usually a small to medium tree, although the largest of the genus.  Leaves pointed, to 12mm long with glaucous bands above.  To 30m.  [RHSD, Hortus, Hilliers', APNI]. 

Athrotaxis selaginoides D.Don

Athrotaxus is a genus of two species of Tasmanian conifers although a number of hybrids were given specific status in the early literature.  Athrotaxis selaginoides D.Don is usually a small to medium tree, although the largest of the genus.  Leaves pointed, to 12mm long with glaucous bands above.  To 30m.  [RHSD, Hortus, Hilliers', APNI].

Athrotaxis x laxifolia Hook.

Athrotaxus is a genus of two species of Tasmanian conifers although a number of hybrids were given specific status in the early literature.  Athrotaxis x laxifolia Hook. is a hybrid, the parents being Athrotaxis selaginoides and Athrotaxis cupressoides.  Such hybrid individuals are widespread although not common in areas where the two parent species occur, and the name Athrotaxis laxifolia has been widely used for these.  [APNI].  Similar to Athrotaxis cupressoides but of laxer habit and usually somewhat larger.  [RHSD, Hortus, Hilliers', APNI]. 

Callitris endlicheri (Parl.) Bail.

Frost-hardy, evergreen, columnar shrub or small tree with spreading branches.  To 25m.  [RHSD, Beadle, FNSW].

Callitris macleayana (Muell.) Muell.

Half-hardy tree with a spreading crown, fibrous, furrowed bark and a mixture of juvenile and adult leaves, even on mature trees, the glaucous juvenile leaves in whorls of 4, the adult leaves smaller and acutely keeled.  To 20m, rarely as tall as 45m.  [RHSD, FNSW].

Callitris oblonga Rich. subsp. oblonga

Frost-hardy, evergreen, symmetrical shrub or small tree with erect branches, a dense crown, keeled leaves, and ovoid, shiny black female cones, to 2cm, single or in small groups.  [RHSE, Hortus, Hilliers', FOA].

Callitris rhomboidea R.Br. ex Rich.

Frost-hardy evergreen columnar, shrub or small tree with blue-green, scale-like leaves, and flattened, brownish female cones, to 1.5cm across, single or in small groups.  To 15m.  [RHSE, Hortus, Hilliers', FNSW].

Callitris species Swan River

Unidentified, no description.

Callitris species unidentified [2]

Unidentified, no description.

Callitris species unidentified [3]

Unidentified, no description.

Callitris species Van Diemen's Land

Probably a form of Callitris rhomboidea R.Br. ex Rich. or Callitris oblonga Rich. subsp. oblonga which see.

Cedrus deodara (D.Don.) G.Don

Fully-hardy evergreen conical tree with spreading branches, pendant tips, dark bark, needle-like leaves in whorls of 20-30, and glaucous, barrel-shaped female cones, to 12cm long, ripening brown from green. To 40m by 10m.  More ornamental varieties, particularly with golden foliage, are commonly grown now, but the first of these was not introduced to gardens until 1866.  [RHSE, Hortus, Hilliers'].

Cedrus libani A.Rich.

Fully-hardy, evergreen, wide-spreading, flat-topped tree, conical when young, with fissured dark bark, 4-sided, pointed leaves in whorls of 10-20, and barrel-shaped, greenish-brown female cones, to 12cm long.  To 30m.  [RHSE, Hortus, Hilliers'].

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