Contains 2 accepted taxa overall.

Characteristics
Ammannia L.
REDSTEM
Classification
MYRTALES
Ammannia
Citation
AMMANNIA Linnaeus, Sp. Pl. 119. 1753.
-
TYPE: Ammannia latifolia Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 577. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Ammannia coccinea VALLEY REDSTEM; SCARLET AMMANNIA Native OBL (NWPL) OBL (DEP)
Ammannia latifolia PINK REDSTEM; TOOTHCUPS Native OBL (NWPL) OBL (DEP)
Identification Key
1.  Leaf blades linear-lanceolate, rarely elliptic; pedicel 1-2 mm long; petals 4-5, often seen; style filiform, 1.5-3 mm long, exserted
1.  Leaf blades oblong, oblong-elliptic, spatulate, to linear-lanceolate; pedicel 0-1 mm long; petals 0-4(6), very rarely seen; style stubby, ca. 0.5 mm long
Genus Synonyms
Synonym Full Citation Basionym Type
Ammannella Ammannella Miquel, Fl. Ned. Ind. 1(1): 613, 618. 1856. TYPE: Ammannella linearis Miquel
Cornelia Cornelia Arduino, Animad. Bot. Spec. Alt. 9. 1764. TYPE: Cornelia verticillata Arduino
Cryptotheca Cryptotheca Blume, Bijdr. 1128. 1826-1827. TYPE: Non designatus.
Diplostemon Diplostemon (de Candolle ex Wight & Arnott) Miquel, Fl. Ned. Ind. 1(1): 613, 615. 1856. BASIONYM: Unknown TYPE: Diplostemon octandrum (Linnaeus f.) Miquel (Ammannia octandra Linnaeus f.)
Ditheca Ditheca (Wight & Arnott) Miquel, Fl. Ned. Ind. 1(1): 613, 615. 1856. BASIONYM: Unknown TYPE: Non designatus.
Hapalocarpum Hapalocarpum (Wight & Arnott) Miquel, Fl. Ned. Ind. 1(1): 613, 617. 1856. BASIONYM: Ammannia Linnaeus, subg. Hapalocarpum Wight & Arnott, Prodr. Fl. Ind. Orient. 305. 1834. TYPE: Non designatus.