Juniperus brevifolia on the humid montane dwarf forests of Pico Island
Conservation status
Vulnerable (IUCN 3.1)[1]
Scientific classification
Kingdom:
Plantae
Clade:
Tracheophytes
Clade:
Gymnospermae
Division:
Pinophyta
Class:
Pinopsida
Order:
Cupressales
Family:
Cupressaceae
Genus:
Juniperus
Section:
Juniperus sect. Juniperus
Species:
J. brevifolia
Binomial name
Juniperus brevifolia
(Seub.) Antoine
In the Special Protection Area of Zona Central do Pico, Azores
Juniperus brevifolia, the Azores juniper, is a species of juniper, endemic to the Azores (on Corvo, Faial, Flores, Pico, Santa Maria, São Jorge, São Miguel, and Terceira), where it occurs at altitudes of 240–800 metres (790–2,620 feet), rarely up to 1,500 m (4,900 ft). It is closely related to Juniperus oxycedrus (prickly juniper) of the Mediterranean region and Juniperus cedrus (Canary Islands juniper) of the neighboring Macaronesian islands. It is threatened by habitat loss.[2][3][1]
It is a shrub or small tree growing to a height of 6 m (20 ft) and a trunk diameter up to 50 centimetres (20 in). The leaves are evergreen, needle-like, in whorls of three, glaucous green, 4–10 millimetres (1⁄4–1⁄2 in) long and 1–3 mm broad, with a double white stomatal band (split by a green midrib) on the inner surface. It is dioecious, with separate male and female plants. The seed cones are berry-like, green ripening in 18 months to orange-red with a variable pink waxy coating; they are spherical, 6–9 mm diameter, and have three or six fused scales in one or two whorls of three, the three larger scales each with a single seed. The seeds are dispersed when birds eat the cones, digesting the fleshy scales and passing the hard seeds in their droppings. The male cones are yellow, 2–3 mm long, and fall soon after shedding their pollen in early spring.[2][3]
This is a vulnerable species in its native range due to a combination of historical felling for the valuable wood and competition from invasive introduced plants.[1]
^ abcThomas, P. (2018) [errata version of 2011 assessment]. "Juniperus brevifolia". IUCN Red List of Threatened Species. 2011: e.T30326A136559787. doi:10.2305/IUCN.UK.2011-1.RLTS.T30326A9536313.en. Retrieved 1 November 2023.
^ abAdams, R. P. (2004). Junipers of the World. Trafford. ISBN 1-4120-4250-X
^ abFarjon, A. (2005). Monograph of Cupressaceae and Sciadopitys. Royal Botanic Gardens, Kew. ISBN 1-84246-068-4
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