Ambrosia psilostachya de Candolle in A. P. de Candolle and A. L. P. P. de Candolle (Q2722)

Flora Commons

accepted id

Ambrosia psilostachya de Candolle

taxon name

Ambrosia psilostachya

de Candolle

FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.

taxon status

accepted

1 reference

taxon name

Ambrosia psilostachya

1 reference

taxon authority

de Candolle

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

herbe à poux vivace (French)

1 reference

perennial ragweed (English)

1 reference

western ragweed (English)

1 reference

Cuman ragweed (English)

1 reference

naked-spine ambrosia (English)

1 reference

Herbe à poux vivace (English)

1 reference

VasCan taxon numeric id

2794

1 reference

distribution

CA-AB

present

introduced

1 reference

Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.

CA-BC

present

introduced

1 reference

Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.

CA-MB

present

native

1 reference

Manitoba Checklist, 2002

CA-NS

present

introduced

1 reference

Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.

CA-ON

present

introduced

1 reference

Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.

CA-PE

excluded

1 reference

Catling, P.M., D.S. Erskine & R.B. MacLaren. 1985. The Plants of Prince Edward Island with new records, nomenclatural changes, and corrections and deletions. Agriculture Canada, Research Branch, Ottawa. Publication 1798. 272 pp.

CA-QC

present

native

1 reference

Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.

CA-SK

present

native

1 reference

Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf

CA-AB

Alta.

1 reference

CA-BC

B.C.

1 reference

CA-MB

Man.

1 reference

CA-NS

N.S.

1 reference

CA-ON

Ont.

1 reference

CA-PE

P.E.I.

1 reference

CA-QC

Que.

1 reference

CA-SK

Sask.

1 reference

US-AL

Ala.

1 reference

US-AZ

Ariz.

1 reference

US-AR

Ark.

1 reference

US-CA

Calif.

1 reference

US-CO

Colo.

1 reference

US-FL

Fla.

1 reference

US-GA

Ga.

1 reference

US-ID

Idaho

1 reference

US-IL

Ill.

1 reference

US-IN

Ind.

1 reference

US-IA

Iowa

1 reference

US-KS

Kans.

1 reference

US-LA

La.

1 reference

US-ME

Maine

1 reference

US-MA

Mass.

1 reference

US-MI

Mich.

1 reference

US-MN

Minn.

1 reference

US-MS

Miss.

1 reference

US-MO

Mo.

1 reference

US-MT

Mont.

1 reference

US-NE

Nebr.

1 reference

US-NV

Nev.

1 reference

US-NH

N.H.

1 reference

US-NM

N.Mex.

1 reference

US-NY

N.Y.

1 reference

US-NC

N.C.

1 reference

US-ND

N.Dak.

1 reference

US-OH

Ohio

1 reference

US-OK

Okla.

1 reference

US-OR

Oreg.

1 reference

US-PA

Pa.

1 reference

US-SC

S.C.

1 reference

US-SD

S.Dak.

1 reference

US-TN

Tenn.

1 reference

US-TX

Tex.

1 reference

US-UT

Utah

1 reference

US-VT

Vt.

1 reference

US-WA

Wash.

1 reference

US-WI

Wis.

1 reference

US-WY

Wyo.

1 reference

Mexico (Baja California)

1 reference

Mexico (Chihuahua)

1 reference

Mexico (Coahuila)

1 reference

parent taxon

Ambrosia Linnaeus

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3110686

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jul–Oct(–Dec).

1 reference

taxon habitat

sites

1 reference

wet

1 reference

alkaline

1 reference

clay soils

1 reference

elevation

0–2200 m

1 reference

taxon description fragment

Stems erect.

1 reference

d0_s1

Leaves proximally opposite, distally alternate;

1 reference

d0_s2

petioles 0–25 mm (often ± winged);

1 reference

d0_s3

blades deltate to lanceolate, 20–60 (–140) × 8–35 (–50+) mm, pinnately toothed to 1-pinnately lobed, bases cuneate to truncate, ultimate margins entire or toothed, abaxial and adaxial faces hirsutulous to strigose and glanddotted.

1 reference

d0_s4

Pistillate heads clustered, proximal to staminates;

1 reference

d0_s5

florets 1.

1 reference

d0_s6

Staminate heads: peduncles 0.5–2 mm;

1 reference

d0_s7

involucres obliquely cupshaped, 2–4 (–5) mm diam., hirsutulous;

1 reference

d0_s8

florets 5–15 (–30+).

1 reference

d0_s9

Burs: bodies ± obpyramidal to globose, 2–3 mm, hirsutulous, spines or tubercles 0 or 1–6, mostly distal, stoutly conic to acerose, (0.1–) 0.5–1 mm, tips straight.

1 reference

d0_s10

2n = 18, 27, 36, 45, 54, 63, 72, 100–104, 108, 144.

1 reference