Dysphania

Contains 3 accepted taxa overall.

Characteristics
Dysphania R.Br.
AMARANTHACEAE
View USF Herbarium specimens of this family
Classification
CARYOPHYLLALES
Dysphania
Citation
DYSPHANIA R. Brown, Prodr. 411. 1810.
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TYPE: Dysphania littoralis R. Brown 1810.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Dysphania ambrosioides MEXICAN TEA Not Native FACU (NWPL)
Dysphania multifida CUTLEAF GOOSEFOOT Not Native
Dysphania pumilio RIDGED GOOSEFOOT Not Native
Identification Key
1.  Leaves sessile to subsessile; leaf blade pinnatifid, not or scarcely aromatic
D. multifida
1.  Leaves petiolate or the blade base attenuate and merging into the petiole (at least on lower leaves); leaf blade coarsely dentate to entire, mildly or distinctly aromatic (e.g. malodorous)
2
2.  Plant ascending to erect; leaf blade base mostly attenuate and merging with the petiole, the larger blades 3.5 to 12 cm long; tepals connate for ca. ½ their length
D. ambrosioides
2.  Plant prostrate to decumbent; leaf blade base mostly acute, with a distinct petiole, the larger blades 1.5-3 cm long; tepals free nearly to the base
D. pumilio
Genus Synonyms
Synonym Full Citation Basionym Type
Ambrina Ambrina Spach, Hist. Nat. Vég. 5: 295. 1836. TYPE: = Roubieva Spach 1834.
Botrydium Botrydium Spach, Hist. Nat. Vég. 5: 298. 1836, non Wallroth 1815. TYPE: Non designatus. = Neobotrydium Moldenke 1946.
Botrys Botrys (Reichenbach) Nieuwland, Amer. Midl. Naturalist 3: 274. 1914, non Fourreau 1869. BASIONYM: Chenopodium [unranked] Botrys Reichenbach, Fl. Germ. Excurs. 580. 1832. TYPE: Botrys aromatica Nieuwland 1914. (Botrydium aromaticum Spach 1836, nom. illegit.; Chenopodium botrys Linnaeus 1753.)
Meiomeria Meiomeria Standley, in Britton, N. Amer. Fl. 21: 7. 1916. TYPE: Meiomeria stellata (S. Watson) Standley 1916. (Chenopodium stellatum S. Watson 1883.)
Neobotrydium Neobotrydium Moldenke, Amer. Midl. Naturalist 35: 330. 1946. TYPE: Neobotrydium botrys (Linnaeus) Moldenke 1946. (Chenopodium botrys Linnaeus 1753.) Substitute name for Botrydium Spach 1836, non Wallroth 1815. = Botrys (Reichenbach) Nieuwland 1914.
Orthospermum Orthospermum Opiz, Seznam 70. 1852. TYPE: = Orthosporum (R. Brown) Nees von Esenbeck 1835.
Orthosporum Orthosporum (R. Brown) C. Nees von Esenbeck, Gen. Pl. Fl. Germ. t. [58]. 1835. BASIONYM: Chenopodium Linnaeus, sect. Orthosporum R. Brown, Prodr. 407. 1810. TYPE: Chenopodium pumilio R. Brown 1810. Lectotypified by A. J. Scott, Bot. Jahrb. Syst. 100: 214. 1978.
Roubieva Roubieva Moquin-Tandon, Ann. Sci. Nat., Bot., ser. 2. 1: 292. 1834. TYPE: Roubieva multifida Moquin-Tandon 1834. (Chenopodium multifidum Linnaeus 1753.)