Neurogenic shock: A type of shock (a life-threatening medical condition in which there is insufficient blood flow throughout the body) that is caused by the sudden loss of signals from the sympathetic nervous system that maintain the normal muscle tone in blood vessel walls.
Smooth bromegrass forms rhizomes (underground stems that run parallel to the soil just below the soil surface) and thus spreads and forms a denser turf than many of the other grasses. The best identifying characteristic of this species is the W that is found imprinted at about the center of the leaf blade.
Smooth Hydrangea. Smooth hydrangea (H. arborescens), is named for its large, smooth leaves. Sometimes called snowball hydrangea, it grows about 4 feet tall and is hardy in Zones 4â9. Smooth hydrangea can take full sun if the soil stays moist, but part shade is best in most other situations.âAnnabelleâ is the best-known cultivar, with huge flowers in early summer. Flowers start out white, then fade to green and tan. Other cultivars have pink flowers.Smooth hydrangea blooms on new wood (this yearâs growth), so it can be cut to the ground in winter or early spring and still flower the same year. Good to Know: These hydrangeas tend to flop after rain, so support plants with a wire frame to keep them upright and looking their best.igleaf Hydrangea. Among hydrangeas, bigleaf hydrangea (H. macrophylla) may have the showiest flowers of all -- usually in bright hues of pink or blue. Mopheads have big dome-shape flower clusters, while lacecaps have lacy-looking flowerheads featuring a mix of large and small florets.