Contains 7 accepted taxa overall.
Characteristics
Classification
Citation
NYMPHOIDES Hill, Brit. Herb. 77. 1756.
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TYPE: Menyanthes nymphoides Linnaeus
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Nymphoides aquatica | BIG FLOATINGHEART | Native OBL (NWPL) OBL (DEP) | ||
| Nymphoides cordata | LITTLE FLOATINGHEART | Native OBL (NWPL) OBL (DEP) | ||
| Nymphoides cristata | CRESTED FLOATINGHEART | Not Native OBL (NWPL) Y OBL (DEP) | ||
| Nymphoides grayana | GRAY'S FLOATING HEART | Not Native | ||
| Nymphoides humboldtiana | FLOATINGHEART | Not Native | ||
| Nymphoides indica | WATER SNOWFLAKE | Not Native OBL (NWPL) OBL (DEP) | ||
| Nymphoides peltata | YELLOW FLOATINGHEART | Not Native OBL (NWPL) |
Identification Key
1. Corolla conspicuously fimbriate on the inner surface
2
1. Corolla glabrous, without fimbriae on the inner surface (margins sometimes short-fimbriate)
4
2. Corolla lobes yellow
2. Corolla lobes white (throat may be yellowish)
3
3. Anthers dark; seeds etuberculate
3. Anthers light yellowish; seeds tuberculate
4. Corolla lobes yellow
4. Corolla lobes white (throat may be yellowish)
5
5. Floating leaf blades ovate to reniform, the lower surface conspicuously roughened; fruit much exceeding the calyx
5. Floating leaf blades cordate-ovate, the lower surface smooth to slightly rough; fruit not or only slightly exceeding the calyx
6
6. Corolla lobes without a median longitudinal crest; seeds eturbuculate
6. Corolla lobes with a median longitudinal crest; seeds tuberculate
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Limnanthemum | Limnanthemum S. G. Gmelin, Novi Comment. Acad. Sci. Imp. Petrop. 14: 527, t. 17(2). 1770 ("1769"). | TYPE: Limnanthemum peltatum S. G. Gmelin | |
| Limnanthes | Limnanthes Stokes, Bot. Mat. Med. 1: 300. 1812, nom. rej. vs. Limnanthes R. Brown 1833. | TYPE: = Limnanthemum S. G. Gmelin 1770. | |
| Schweyckerta | Schweyckerta C. C. Gmelin, Fl. Bad. 1: 447. 1805. | TYPE: Schweyckerta nymphoides (Linnaeus) C. C. Gmelin (Menyanthes nymphoides Linnaeus) = Nymphoides Hill 1756. | |
| Trachysperma | Trachysperma Rafinesque ex House, New York State Mus. Bull. 233/234: 65. 1922, non Trachyspermum Link 1822. | TYPE: Non designatus. | |
| Waldschmidia | Waldschmidia Weber ex F. H. Wiggers, Prim. Fl. Holsat. 19. 1780. | TYPE: Waldschmidia nymphoides (Linnaeus) Weber (Menyanthes nymphoides Linnaeus) = Nymphoides Hill 1756. |