The phrase "a pinus" is not correct in standard written English as it lacks context and clarity.
It could be used in a scientific or botanical context when referring to a specific type of pine tree, but it would typically require additional information for clarity.
Example: "In the forest, we observed a pinus that was over a hundred years old."
Alternatives: "a pine tree" or "a species of pine".
Figure 8 A Pinus radiata needle infected with Phytophthora.
In a Pinus halepensis Mill.
A single ectomycorrhizal fungal species can enable a Pinus invasion.
McDowell, N. G., Allen, C. D. & Marshall, L. Growth, carbon-isotope discrimination, and drought-associated mortality across a Pinus ponderosa elevational transect.
The first identified pine stomata finds are associated with a Pinus PAR over 3000 grains cm−2 yr−1 and pine macrofossil finds with a Pinus PAR over 4000 grains cm−2 yr−1.
We studied the short-term (10 months) effects on the understory vegetation of a spring prescribed burning conducted in a Pinus halepensis forest in Mediterranean climate (Northeastern Spain).
Afterwards the vegetation changed to a Pinus-dominated forest-steppe (5790 4950 14C years BP) and then to an Ulmus-dominated forest-steppe (4950 to ∼ 4000 14C years BP).
Fossilized ECM demonstrates that ECM associations had evolved at least 50 MyBP, probably with a Pinus-host [ 94].
One goal of the present study was to determine if the findings of Dickie et al. (2011) could be repeated in a novel site with a different Pinus species.
With paired comparison design, we studied the effects of replacing a native Pinus massoniana plantation with an exotic Eucalyptus (Eucalyptus urophylla × grandis) plantation on the composition and carbon metabolic function of soil microbial communities in Guangxi Province, southern China.
A leafless Pinus Balfouriana stretches up against a cloudy sky in the high desert just east of the Sierra Nevada.
