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Goldenseal (Hydrastis canadensis), also called orangeroot [2] or yellow puccoon, [2] is a perennial herb in the buttercup family Ranunculaceae, native to North America. It may be distinguished by its thick, yellow knotted rootstock. The stem is purplish and hairy above ground and yellow below ground where it connects to the yellow rhizome.
The sap in the stem of the plants will expand (water expands when frozen), causing long, thin cracks to form along the length of the stem. Water is then drawn through these cracks via capillary action and freezes upon contact with the air. As more water is drawn through the cracks it pushes the thin ice layers further from the stem, causing a ...
Jasminum nudiflorum, the winter jasmine, is a slender, deciduous shrub native to China (Gansu, Shaanxi, Sichuan, Xizang , Yunnan). The flower's blossoming peaks right after winter, which is why it is also named Yingchun ( 迎春 ) in Chinese, which means "the flower that welcomes Spring".
To support a quick initial growth, the water level is relatively low [34] and increases when plants grow. Then a maximum of approximately 4,000 per hectare (1,600/acre) with grid spacing of 1.2 by 2 metres (3 ft 11 in × 6 ft 7 in) [ 35 ] are used to plant directly into the mud 10–15 cm ( 3 + 7 ⁄ 8 – 5 + 7 ⁄ 8 in) below the soil surface .
The flowers have five petal-like sepals surrounding a ring of small, cup-like nectaries which are actually petals modified to hold nectar. The sepals do not fall as petals would, but remain on the plant, sometimes for many months. The persistence of the sepals may contribute to the development of the seeds. [8]
This plant grows to about 30–60 cm (12–24 in) high, with a maximum of 1 m (3 ft 3 in). The stem is ribbed and hairless, branched at the base. It has basal rosettes of shiny, dark green leaves. The basal leaves are stalked and lyre-pinnatifid, that is with a large terminal lobe and smaller lower lobes.
Cascabela thevetia is cultivated as an ornamental plant, and planted as large flowering shrub or small ornamental tree standards in gardens and parks in temperate climates. In frost prone areas it is container plant, in the winter season brought inside a greenhouse or as a house plant. It tolerates most soils and is drought tolerant. [5]
Common names include American lotus, yellow lotus, water-chinquapin, and volée. It is native to North America . The botanical name Nelumbo lutea Willd. is the currently recognized name for this species, which has been classified under the former names Nelumbium luteum and Nelumbo pentapetala , among others.