Quercus sagraeana, the Cuban oak, is a medium-sized evergreen tree native to western Cuba in the Cuban pine forests ecoregion.
The Cuban oak was first described by Nuttall (1842) as Quercus sagraeana based on the specimen collected by Ramón de la Sagra. Using the same specimen, but apparently unaware of the original name, Richard (1853) named the Cuban oak Q. cubana. Trelease (1924) did not view Q. sagraeana as a species in its own right but as a variety of Q. virginiana. He proposed the name ...
Ketikkan gejala atau penyakit dan baca tentang jamu yang mungkin membantu, ketik jamu dan lihat penyakit dan gejala yang digunakan untuk melawannya.
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