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.
Pavonia lasiopetala - Texas Rock Rose. Features: Pavonia lasiopetala is a Texas Native that is extremely drought tolerant, although it does not mind a little water now and then. Texas Rock Rose can be seen growing native in the Edwards Plateau, Rio Grande Plains, and the Trans Pecos areas of Texas. The most eye-catching feature of this plant is the Hibiscus-like pink to rose colored flowers. Hardiness Zones: USDA Zone 8 (10 Â°F) to USDA Zone 9 (20 Â°F) Height: Grows 15 tall and 24 wide.