Rheum palmatum - Wikipedia
Rheum tanguticum, Rheum palmatum, R. rhabarbarum and R. officinale and a few others, are all harvested for their roots, which are used as a herbal medicine. [8] Rheum palmatum (or dahuang ) is an important crop that has been used in traditional Chinese medicine for over 2,000 years.
大黄（中药材）_百度百科
大黄，中药名。为蓼科大黄属植物掌叶大黄Rheum palmatum L.、唐古特大黄R. tanguticum Maxim. ex Balf.或药用大黄R. officinale Baill.的根及根茎。具有泻下攻积，清热泻火，凉血解毒，逐瘀通经的功效。
Rheum palmatum var. tanguticum | Herbaceous Perennial/RHS
Rheum palmatum var. tanguticum. A rhizomatous perennial to 2m high, with large basal leaves that emerge from the ground in late spring. Leaves are jagged and deeply cut, and dark reddish-purple when young, maturing to deep green with red undersides and long, thick reddish stems.
掌叶大黄 - 百度百科
掌叶大黄（Rheum palmatum L.）是蓼科大黄属植物。 根茎粗札；叶先端窄渐尖或窄尖，基部近心形，圆锥花序，分枝聚拢，密被粗毛；果长圆状椭圆形或长圆形，两端均凹下，纵脉近翅缘；种子宽卵形，褐黑色；花期6月；果期8月；因叶掌状分裂达叶片之半，花较小 ...
Rheum palmatum - Plant Finder - Missouri Botanical Garden
Rheum palmatum, commonly called Chinese rhubarb, is a rhizomatous perennial with a large rootstock and thick leafstalks. It typically grows to 6-10' tall. It is native to China and Tibet.
Rheum palmatum at Digging Dog Nursery
One of the most pleasing of the tall ornamental rhubarbs, this prehistoric-looking specimen has colossal divided leaves that first emerge in reddish bronze tones. Warm weather brings dark green foliar hues on top and purple-infused undersides plus airy maroon panicles surmounting towering flower stalks.
Rheum palmatum var. tanguticum | Chinese rhubarb – The Old …
Colorful, reddish new growth develops into large, glaucous palmate leaves with purplish undersides. Interesting flowering panicles are followed by attractive seed heads. Our plants overwinter outdoors where they follow the natural rhythms of the season. We never force our plants to break dormancy early.
Rheum palmatum ( Tanguticum Chinese Rhubarb ) - Backyard Gardener
2016年9月21日 · Cultivated for its large, attractive leaves and tall panicles of flowers. This species is perennial and grows from a rhizome, although it also has a huge rootstock. Do not eat leaves. They can be poisonous if ingested. Leaves are palmately compound, red-green when young, dark purplish-green at maturity, to 36 inches in length.
Genetic variation in Rheum palmatum and Rheum tanguticum
2012年12月20日 · Aims: Both Rheum palmatum and R. tanguticum are important but endangered medicinal plants endemic to China. In this study, we aimed to (i) investigate the level and pattern of genetic variability within/among populations of those species; (ii) evaluate genetic differentiation between both species and its relationships and ascertain whether both ...
Rheum palmatum var. tanguticum - Shoot
R. palmatum var. tanguticum is a vigorous, clump-forming, deciduous perennial with ovate to rounded, palmately-lobed, toothed, dark green leaves, maroon or flushed red when young and often flushed purple with age. Thick, upright stems bear dense panicles of tiny, star-shaped flowers in shades of red, pink, and white.