Niels Bohr - Biographical. Niels Henrik David Bohr was born in Copenhagen on October 7, 1885, as the son of Christian Bohr, Professor of Physiology at Copenhagen University, and his wife Ellen, nÃ©e Adler.
Opuntia is a large genus of plants native to North America and South America. All have succulent stems, some of them becoming woody with age. Stems may be cylindrical or flattened pads. Tiny, succulent leaves may be present on the newest growth (see photo below.) Most species are spiny.
Hyponyms (each of the following is a kind of petunia): large white petunia; Petunia axillaris (annual herb having large nocturnally fragrant white flowers). Petunia integrifolia; violet-flowered petunia (herb or small shrublet having solitary violet to rose-red flowers). hybrid petunia; Petunia hybrida (hybrids of Petunia axillaris and Petunia integrifolia: a complex group of petunias having single or double flowers in colors from white to purple).