Contains 9 accepted taxa overall.
Characteristics
Classification
Citation
FIMBRISTYLIS Vahl, Enum. Pl. 2: 285. 1805 (sero 1806), nom. cons. vs. Iria (Richard ex Persoon) R. Hedwig Jul 1805.
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TYPE: Fimbristylis dichotoma (Linnaeus) Vahl, typ. cons. (Scirpus dichotomus Linnaeus)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Fimbristylis autumnalis | SLENDER FIMBRY | Native OBL (NWPL) OBL (DEP) | ||
| Fimbristylis caroliniana | CAROLINA FIMBRY | Native OBL (NWPL) OBL (DEP) | ||
| Fimbristylis cymosa | HURRICANEGRASS | Native FAC (NWPL) FAC (DEP) | ||
| Fimbristylis dichotoma | FORKED FIMBRY | Native OBL (NWPL) OBL (DEP) | ||
| Fimbristylis littoralis | GRASSLIKE FIMBRY | Not Native OBL (NWPL) OBL (DEP) | ||
| Fimbristylis puberula | HAIRY FIMBRY | Native OBL (NWPL) FACW (DEP) | ||
| Fimbristylis schoenoides | DITCH FIMBRY | Not Native FACW (NWPL) OBL (DEP) | ||
| Fimbristylis spadicea | MARSH FIMBRY | Native OBL (NWPL) OBL (DEP) | ||
| Fimbristylis vahlii | VAHL'S FIMBRY | Native OBL (NWPL) OBL (DEP) |
Identification Key
1. Annual; style 3-fid; achene trigonous or ovoid
2
1. Annual or perennial; style 2-fid; achene lenticular
3
2. Ligule of short hairs; leaf blades flat; spikelets 3-7 mm long, narrowly lanceolate, tip acute; achene sharply trigonous, smooth to finely papillose
2. Ligule not evident; leaf blades strongly folded, bifacial; spikelets 2-4 mm long, globose to ovoid, tip rounded; achene ovoid, obscurely trigonous, reticulate-pitted
3. Ligule of short hairs
4
3. Ligule not evident or inconspicuous of hairs to 0.1 mm long
6
4. Spikelets 1-2(3), the scales pale light brownish; achene smooth or weakly pitted
4. Spikelets (1)3-40, the scales generally reddish or brownish; achene conspicuously pitted or latticed
5
5. Rhizomes scaly; fertile scales often puberulent
5. Rhizomes absent; fertile scales usually glabrous
6. Annual; leaf blades 0.2-1 mm wide
6. Perennial; leaf blades 1- mm wide
7
7. Plants 10-60 cm tall; spikelets 2-4 mm long, mostly densely congested;
7. Plants 40-200 cm tall; spikelets 5-20 mm long, mostly well spaced from each other
8
8. Leaf bases weak, mostly light in color; of freshwater areas
8. Leaf bases hardened, coriaceous, reddish or dark brown; often of brackish areas
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Actinoschoenus | Actinoschoenus Bentham, Hooker's Icon. Pl. 14: 33. 1881. | TYPE: Actinoschoenus filiformis (Thwaites) Bentham (Arthrostylis filiformis Thwaites) | |
| Dichostylis | Dichostylis Palisot de Beauvois ex Lestibudois, Essai Cyp. 39. Mar 1819; Palisot de Beauvois ex Cassini, in Cuvier, Dict. Sci. Nat. 13: 180. Jul 1819. | TYPE: = Echinolytrum Desvaux 1808. | |
| Echinolytrum | Echinolytrum Desvaux, J. Bot. (Paris) 1: 20, t. 1. 1808. | TYPE: Echinolytrum dipsaceum (Rottbøll) Desvaux (Scirpus dipsaceus Rottbøll) | |
| Mischospora | Mischospora Boeckeler, Flora 43: 113. 1860. | TYPE: Mischispora efoliata Boeckeler, nom. illegit. (Fimbristylis abjiciens Steudel) | |
| Pogonostylis | Pogonostylis Bertoloni, Fl. Ital. 1: 312. 1833. | TYPE: Pogonostylis squarrosa Bertoloni (Scirpus gracilis Savi 1815, non Poiret 1804) | |
| Trichelostylis | Trichelostylis Lestiboudois f., Essai Cyper. 40. 1819. | TYPE: Fimbristylis autumnalis (Linnaeus) Roemer & Schultes (Scirpus autumnalis Linnaeus) Lectotypified by Koyama, in Fosberg, Fl. Ceylon 5: 268. 1985. |