| 词条 | Antennaria howellii |
| 释义 |
|name = Antennaria howellii |image =Antennaria_howelli_canadensis.jpg |image_caption = Canadian pussytoes A. howellii subsp. canadensis[1] |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |genus = Antennaria |species = A. howellii |binomial = Antennaria howellii |binomial_authority = Greene |synonyms_ref=[2] |synonyms={{collapsible list|bullets = true |title=Synonymy |Antennaria callilepis Greene |Antennaria eximia Greene |Antennaria canadensis Greene, syn of subsp. canadensis |Antennaria isabellina (Greene) Greene ex House, syn of subsp. canadensis |Antennaria randii Fernald, syn of subsp. canadensis |Antennaria spathulata (Fernald) Fernald, syn of subsp. canadensis |Antennaria neodioica Greene, syn of subsp. neodioica |Antennaria obovata E.E.Nelson, syn of subsp. neodioica |Antennaria rhodantha Fernald, syn of subsp. neodioica |Antennaria rupicola Fernald, syn of subsp. neodioica |Antennaria russellii Boivin, syn of subsp. neodioica |Antennaria grandis (Fernald) House, syn of subsp. neodioica |Antennaria appendiculata Fernald, syn of subsp. petaloidea |Antennaria concolor Piper, syn of subsp. petaloidea |Antennaria pedicellata Greene, syn of subsp. petaloidea |Antennaria petaloidea (Fernald) Fernald, syn of subsp. petaloidea |Antennaria stenolepis Greene, syn of subsp. petaloidea |}}}}Antennaria howellii (everlasting or Howell's pussytoes)[3][3] is a North American species in the genus Antennaria within the sunflower family. It is native to northern Alaska, much of Canada including the Arctic territories, and the northern United States as far south as northern California, Colorado and North Carolina.[4]Antennaria howellii is an evergreen perennial plant. The form is usually basal rosettes, largely clonally propagated. The basal rosette leaves are 2–4 cm long and 6–12 mm broad, light green and spatulate, with a thin arm and a broad tip with a point. They have woolly white undersides. The flowerheads appear in May, on a stem 15–35 cm tall with smaller, slender leaves 1–4 cm long. It is commonly seen growing under pine stands.[5]
The plant is named for American botanist Thomas J. Howell, who collected the first known specimens of the plant in 1887.[6] Conservation status in the United StatesThe petaloidea subspecies is listed as a special concern and believed extirpated in Connecticut.[7] Native American ethnobotanyThe Nuxalk Nation take a decoction of leaves for body pain, but not pain in the limbs.[8] The Ojibwe take an infusion of the neodioica subspecies after childbirth to purge afterbirth and to heal.[9] References1. ^1913 illustration from Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 450. 2. ^1 The Plant List search for Antennaria howellii 3. ^Calflora taxon report, University of California, Antennaria howellii Greene Howell's pussytoes 4. ^Biota of North America Program 2014 state-level distribution map 5. ^1 2 Flora of North America Vol. 19, 20 and 21 Page 403 Howell’s pussytoes, antennaire de Howell, Antennaria howellii Greene 6. ^[https://www.biodiversitylibrary.org/item/52470#page/195/mode/1up Greene, Edward Lee 1897. Pittonia 3(16C): 174] description and commentary in English 7. ^"Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 13 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.) 8. ^Smith, Harlan I., 1929, Materia Medica of the Bella Coola and Neighboring Tribes of British Columbia, National Museum of Canada Bulletin 56:47–68, page 65 9. ^Smith, Huron H., 1932, Ethnobotany of the Ojibwe Indians, Bulletin of the Public Museum of Milwaukee 4:327–525, page 363 External links
4 : Antennaria|Flora of North America|Plants described in 1897|Plants used in traditional Native American medicine |
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