Contains 11 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.
-
TYPE: Fimbristylis dichotoma (Linnaeus) Vahl, typ. cons. (Scirpus dichotomus Linnaeus)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Fimbristylis annua | Annual Fimbry | |||
| Fimbristylis autumnalis | Slender Fimbry | |||
| Fimbristylis caroliniana | Carolina Fimbry | |||
| Fimbristylis castanea | Marsh Fimbry | |||
| Fimbristylis decipiens | Tricky Fimbry | |||
| Fimbristylis dichotoma | Forked Fimbry | |||
| Fimbristylis littoralis | Grasslike Fimbry | |||
| Fimbristylis perpusilla | Harper's Fimbry | |||
| Fimbristylis puberula | Hairy Fimbry | |||
| Fimbristylis tomentosa | Woolly Fimbry | |||
| Fimbristylis vahlii | Vahl's Fimbry |
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 |
|---|---|---|---|
| No synonyms found. | |||