Contains 3 accepted taxa overall.
Characteristics
Classification
Citation
ECHINODORUS Richard ex Engelmann, in A. Gray, Manual 460. 1848.
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TYPE: Echinodorus rostratus (Nuttall) Engelmann ex A. Gray (Alisma rostrata Nuttall) Lectotypified by Small, in Britton, N. Amer. Fl. 17(1): 46. 1909.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Echinodorus berteroi | UPRIGHT BURRHEAD | Native OBL (NWPL) OBL (DEP) | ||
| Echinodorus cordifolius | CREEPING BURRHEAD | Native OBL (NWPL) OBL (DEP) | ||
| Echinodorus grandiflorus | FLORIDA BURRHEAD | Not Native OBL (NWPL) |
[Family identification key]
1. Inflorescence decumbent to arching, the main axis not appreciably thicker towards the base; veins of the sepals papillose-ridged; achene with a pair of elongate glands near the middle
1. Inflorescence erect, the main axis becoming noticeably thicker towards the base; veins of the sepals smooth; achene with elongate glands just below the beak
2
2. Leaves glabrous; stamens 9-15; fruit beak 1 mm long or longer
2. Leaves usually with stellate trichomes near the junction of the petiole and leaf blade; stamens usually 21; fruit beak ca. 0.5 mm long
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Aquarius | Aquarius Christenhusz & Byng, in Christenhusz et al., Global Fl. 4: 51. 2018. | TYPE: Aquarius cordifolius (Linnaeus) Christenhusz & Byng 2018. (Alisma cordifollium Linnaeus 1753.) |