Contains 8 accepted taxa overall.
Characteristics
Classification
Citation
SCIRPUS Linnaeus, Sp. Pl. 47. 1753, nom. cons.
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TYPE: Scirpus sylvaticus Linnaeus, typ. cons.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Scirpus atrovirens | Black Bulrush | |||
| Scirpus cyperinus | Woolgrass Bulrush | |||
| Scirpus divaricatus | Spreading Bulrush | |||
| Scirpus expansus | Woodland Bulrush | |||
| Scirpus georgianus | Georgia Bulrush | |||
| Scirpus lineatus | Drooping Bulrush | |||
| Scirpus pendulus | Rufous Bulrush | |||
| Scirpus polyphyllus | Leafy Bulrush |
Identification Key
1. Spikelets to ca. 700 per culm, with the perianth bristles long-exserted, giving the spikelet a woolly appearance; achene 0.6-0.9 mm long, 0.3-0.5 mm wide
1. Spikelets to ca. 250 per culm, with the perianth bristles not or only scarcely exserted, not at all woolly in appearance; achene 0.8-1.7 mm long, 0.6-0.8 mm wide
2
2. Spikelet 1-2 mm wide; spikelet scales 1-1.8 mm long; perianth bristles smooth to toothed; achene 0.8-1 mm long, strongly trigonous with flat to concave faces
2. Spikelet 2-3 mm wide; spikelet scales 1.8-2.5 mm long; perianth bristles smooth; achene 1-1.5 mm long, plano-convex to trigonous with convex sides
3
3. Mature culms reclining, inflorescences bending to (or nearly to) ground, with 2–3 lateral inflorescences in axils of distal leaves in addition to terminal inflorescence; rays and pedicels scabrous or scabrellous throughout or only in distal 1/2, often proliferous with axillary bulblets
3. Mature culms erect or ascending, with terminal inflorescences only or sometimes with 1(2) lateral inflorescences in axils of distal leaves; rays and pedicels scabrous near nodes, otherwise smooth, axillary bulblets absent
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||