2019-12-11 · Genus: Ageratina Species: Ageratina altissima Varietas: A. a. var. angustata – A. a. var. roanensis. Name . Ageratina altissima R.M.King & H.Rob. Synonyms . Ageratina ageratoides (L. fil.) Spach; Ageratum altissimum L. Batschia nivea Moench; Eupatorium aboriginum E. Greene; Eupatorium ageratoides L. fil. Eupatorium ageratoides var. angustatum A. Gray

3675

Citation: AGERATINA ALTISSIMA (Linnaeus) R. M. King & H. Robinson, Phytologia 19: 212. 1970. Basionym: Ageratum altissimum Linnaeus 1753. Type: Without data, Herb.

Common names: White snakeroot. Illustrated Endemic. In September, broad, dark-green, upright stems are topped with bright-white clusters of small flowers attracting early fall pollinators. Maine native. Ageratina altissima Chocolate. A North American plant with lovely dark foliage in spring and early summer.. Ageratina altissima, also known as white snakeroot, richweed, or white sanicle, is a poisonous perennial herb in the family Asteraceae, native to eastern and  Ageratina altissima 'Chocolate'.

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(Linnaeus) R. M. King & H. Robinson. Phytologia 19: 212. 1970. Guy L. Nesom. Common names: White snakeroot. Illustrated Endemic.

altissima.

Ageratina altissima is a PERENNIAL growing to 2 m (6ft 7in). It is hardy to zone (UK) 6. It is in flower from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil.

Sinonim. Ageratina ageratoides (L.f.) Spach.

Ageratina altissima

Ageratina altissima is a PERENNIAL growing to 2 m (6ft 7in). It is hardy to zone ( UK) 6. It is in flower from August to September. The species is hermaphrodite ( has 

Ageratina altissima

syn.

Ageratina altissima

Stutensee-Staffort, Germany. Deutsch: Ageratina  Ageratina altissima (L.) King & H. Rob. Taxonomic Serial No.: 36466. Grows well in sun, half shade and light or dapples shade too - this Eupatorium is one of the most shade tolerant of all the Eupatoriums (newer name is Ageratina). Ageratina altissima 'Chocolate' is a mid-height perennial that has fluffly white flowers versus mature dark foliage, perfect for adding contrast to the garden. Ageratina altissima subsp. altissima (L.) R.M.King & H.Rob.
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Ageratina altissima subsp.

1970. Basionym: Ageratum altissimum Linnaeus 1753. Type: Without data,  Description. White Snakeroot Soil: Mesic (Medium) Sun: Part to Shade Height: 1.5′-3′ Color: White Bloom: July-August Flowers: Each 1/5″ flower head is  White Snakeroot, Richweed, White Sanicle Ageratina altissima ad-jur-uh-TY ( TEE)-nuh al-TISS-ih-muh Synonyms of Ageratina altissima from Plants of the World  Ageratina altissima was first described as Ageratum altissimum by Linnaeus in Species Plantarum, Vol. 2, in 1753.
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Buy white snakeroot ( syn. Eupatorium Chocolate ) Ageratina altissima ' Chocolate' - A late-flowering perennial with lovely, dark foliage: Delivery by Waitrose 

Family: Sunflower Family (Asteraceae). Other Names: Eupatorium rugosum, Eupatorium ageratoides, E. urticaefolium,  Ageratina altissima (L.) R. M. King & H. Rob. Go To Encyclopedia of Life Family: Asteraceae. White Snakeroot. Ageratina altissima (NGN). White Snakeroot. Late bloom time; commonly found native.