Kingdom:
Phylum:
Angiosperms
Order:
Asterales
Family:
Genus:
Species:
tomentosa
ID:
67147

Status:
valid

Authors:
Nutt.

Source:
gcc

Year:
1818

Citation Micro:
Gen. N. Amer. Pl. 2: 186 (1818)

WFO Identifier:
wfo-0000066476

Common Names

  • Ambrosia tomentosa
  • Woolly Ambrosia
  • Ragweed

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Description

Ambrosia tomentosa (also called “Ragweed”, among many other common names) is an annual herbaceous plant native to North America. It has a woody stem, and its leaves are alternate, ovate, and serrate. It is found in temperate regions, and is commonly found in disturbed areas, roadsides, and fields.

Uses & Benefits

Ambrosia tomentosa is used as an ornamental plant and for its medicinal properties. It has anti-inflammatory, antispasmodic, and diuretic properties, and is used to treat digestive problems, respiratory disorders, and skin diseases. It is also used to reduce fever and as an antiseptic.

Flower, Seeds and Seedlings

Ambrosia tomentosa has small, yellow flowers with a single seed in each flower head. The seedlings have two cotyledons and a long taproot.

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Cultivation and Propagation

Ambrosia tomentosa is a perennial herb that grows best in full sun and well-drained soil. It can be propagated by seed or cuttings. Seeds should be sown in spring or summer in a well-drained soil mix. Cuttings should be taken in spring or summer and planted in a well-drained soil mix. Both methods should be kept moist until the plants are established.

Where to Find Ambrosia tomentosa

Ambrosia tomentosa can be found in the western United States, primarily in California, Oregon, and Washington. It grows in dry, open areas such as grasslands and chaparral.

Ambrosia tomentosa FAQ

What is the common name of Ambrosia tomentosa?

Woolly Ambrosia

What is the scientific name of Woolly Ambrosia?

Ambrosia tomentosa

What is the family of Woolly Ambrosia?

Asteraceae

Species in the Ambrosia genus

Ambrosia chamissonis, Ambrosia dumosa, Ambrosia nivea, Ambrosia flexuosa, Ambrosia microcephala, Ambrosia intergradiens, Ambrosia platyspina, Ambrosia deltoidea, Ambrosia salsola, Ambrosia linearis, Ambrosia pumila, Ambrosia acanthicarpa, Ambrosia dentata, Ambrosia cheiranthifolia, Ambrosia arborescens, Ambrosia polystachya, Ambrosia chenopodiifolia, Ambrosia johnstoniorum, Ambrosia artemisiifolia, Ambrosia artemisioides, Ambrosia tomentosa, Ambrosia divaricata, Ambrosia canescens, Ambrosia artemisioides, Ambrosia arborescens, Ambrosia scabra, Ambrosia tenuifolia, Ambrosia bryantii, Ambrosia carduacea, Ambrosia monogyra, Ambrosia magdalenae, Ambrosia confertiflora, Ambrosia grayi, Ambrosia pannosa, Ambrosia bidentata, Ambrosia camphorata, Ambrosia cordifolia, Ambrosia trifida, Ambrosia ilicifolia, Ambrosia ambrosioides, Ambrosia sandersonii, Ambrosia cumanensis, Ambrosia helenae, Ambrosia velutina, Ambrosia acuminata, Ambrosia psilostachya, Ambrosia hispida, Ambrosia eriocentra,

Species in the Asteraceae family

Aaronsohnia pubescens, Aaronsohnia factorovskyi, Abrotanella filiformis, Abrotanella rostrata, Abrotanella linearis, Abrotanella trilobata, Abrotanella muscosa, Abrotanella inconspicua, Abrotanella trichoachaenia, Abrotanella caespitosa, Abrotanella nivigena, Abrotanella pusilla, Abrotanella linearifolia, Abrotanella papuana, Abrotanella rosulata, Abrotanella emarginata, Abrotanella fertilis, Abrotanella spathulata, Abrotanella purpurea, Abrotanella patearoa, Abrotanella submarginata, Abrotanella diemii, Abrotanella scapigera, Abrotanella forsterioides, Acamptopappus shockleyi, Acamptopappus sphaerocephalus, Acanthocephalus benthamianus, Acanthocephalus amplexifolius, Acanthocladium dockeri, Acanthodesmos distichus, Acanthodesmos gibarensis, Acanthospermum humile, Acanthospermum consobrinum, Acanthospermum glabratum, Acanthospermum microcarpum, Acanthospermum hispidum, Acanthospermum australe, Acanthospermum lecocarpoides, Acanthostyles buniifolius, Acanthostyles saucechicoensis, Achillea buiana, Achillea conrathii, Achillea cucullata, Achillea styriaca, Achillea clavennae, Achillea cappadocica, Achillea huber-morathii, Achillea ptarmicoides, Achillea sieheana, Achillea barrelieri,

References

The Plant List v1.1 record gcc-23358: Based on the initial data import
Thomas Nuttall (1786-1859): Based on occurrence of standard abbreviation 'Nutt.' in the authors string.