What Is the Connection Between Digitalis and Potassium?

Digitalis purpurea L ^[1] : It is a biennial or perennial herb of the genus Xanthaceae and foxglove. Except for the corolla, the whole is covered with gray-white pubescent and glandular hairs, sometimes glabrous on the stem, 60-120 cm tall. Stems solitary or clustered. The leaves are ovoid or ovate-lanceolate, the leaves are rough, shrunk, and the basal leaves are long-stemmed, ovate to ovate-lanceolate, the edges of the leaves are circularly serrated, and the petioles are narrowly winged. small. The terminal racemes are 50 ~ 80cm long, the corolla bell-shaped is about 7.5cm long, the corolla wax purple, and the inner surface has light white spots. Capsule ovate, flowering from May to June, ripening from August to October, seeds are extremely small. The artificial cultivars are white, pink and crimson, etc. They are generally divided into white flower free bells, large flower free bells, and double-petal free bells. It is often used in flower borders, flower beds, and rock gardens. It can also be used as a natural flower arrangement.

Herbs biennial or perennial, except for the corolla, are covered with gray-white pubescent and glandular hairs, sometimes glabrous on the stem, 60-120 cm tall. Stem solitary

Distributed in mountainous areas of 1200-1800 meters above sea level, the plants are strong and relatively cold-resistant, drought-resistant, hot, and barren. It is sunny and shade-tolerant, suitable for growth on moist and well-drained soil. ^[3]

It has fluffy stems and leaves and leaves resembling foxglove, hence the name foxglove; and because it comes from distant Europe, it is also called digitalis.

European origin, scattered cultivation across Taiwan,

Microscopic identification

Cross section of foxglove leaves: the upper epidermal cells are rectangular, of different sizes, slightly wavy, with furry and less stomata; the lower epidermal cells are small, furry, with many stomata, and sometimes the epidermis is detached from the sponge tissue. Palisade tissue is a row of short columnar cells with occasional two fissures, which is indistinguishable from sponge tissue cells. The main vein is slightly depressed above, and the lower part is extremely convex. The xylem petals are crescent, the ducts are arranged in a row, and the ray cells are arranged in a row. The xylem is divided into several beams by the rays. ^[4]

Origin of name

Foxglove is a typical naturalized plant. His hometown is far from temperate regions of Western Europe. It is called foxglove because it has hairy stems and leaves and leaves resembling foxglove, hence the name of foxglove. It is also called digitalis because it comes from distant Europe. ^[3]

legend

It is said that the bad fairy gave Foxglove flowers to the fox, and asked the fox to put the flowers on its feet to reduce the footsteps it made when searching for food on Foxglove. Therefore, Foxglove has another name-fox gloves. In addition, foxglove also has other aliases such as witch gloves, fox suits, fairy gloves, and dead man's bell. ^[8]

Flower language

Crimson: Hidden Love

Fuchsia: Lies, dishonesty