''Callitris roei'', or Roe's cypress-pine, is a species of '' Callitris'' native to Australia, where it is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

to southwestern

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

from Moora south to Albany and east to Cape Arid National Park.Farjon, A. (2005). ''Monograph of Cupressaceae and Sciadopitys''. Royal Botanic Gardens, Kew. It is an

evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, whic ...

shrub or small

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

growing to 5 m tall. The leaves are borne in decussate whorls of three, scale-like, 2–5 mm long and 1–1.5 mm broad; leaves on seedlings are longer and needle-like, not scale-like. The

seed cones A conifer cone (in formal botanical usage: strobilus, plural strobili) is a seed-bearing organ on gymnosperm plants. It is usually woody, ovoid to globular, including scales and bracts arranged around a central axis, especially in conifers an ...

are globose, 1–2 cm diameter, with six scales in two whorls of three; they mature in about 18 months from pollination. The pollen cones are cylindrical, 3–6 mm long and 1.2–2 mm broad.

References

roei Flora of Western Australia Pinales of Australia Vulnerable flora of Australia Taxonomy articles created by Polbot Taxa named by Stephan Endlicher Endemic flora of Southwest Australia {{WesternAustralia-plant-stub