Contains 3 accepted taxa overall.
Characteristics
Classification
Citation
HALOPHILA Du Petit-Thouars, Gen. Nov. Madagasc. 2. 1806.
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TYPE: Halophila ovalis (R. Brown) Hooker f. (Caulinia ovalis R. Brown) Lectotypified by Rydberg, in Britton, N. Amer. Fl. 17: 67. 1909.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Halophila decipiens | CARIBBEAN SEAGRASS | Native OBL (NWPL) | ||
| Halophila engelmannii | ENGELMANN'S SEAGRASS | Native OBL (NWPL) | ||
| Halophila johnsonii | JOHNSON'S SEAGRASS | Native Rare-State Threatened-US OBL (NWPL) |
Identification Key
1. Leaves 4-8 in a pseudowhorl at the terminus of an erect stem
1. Leaves usually 2 and petiolate, directly attached to rhizome
2
2. Blade narrowly elliptic to linear-elliptic, 0.6-4 mm wide, margin entire, glabrous; only pistillate flowers produced, staminate flowers absent or unknown
2. Blade oblong-elliptic, 3-8 mm wide, margin finely serrulate, pubescent to glabrous; staminate and pistillate flowers produced on same plant
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|