Genus Bolboschoenus (Ascherson) Palla, Tuberous bulrush
Species in the Bolboschoenus genus are distinguished by their colonial behavior, sending out rhizomes terminated in corms (Figure 4), and sharply trigonous stems that lack a leaf sheath ligule (Figure 5). Bolbos = bulb and schoenus = rush. The Bolboschoenus genus is represented by only one species in Renfrew County.
Bolboschoenus fluviatilis (Torr.) Soják, River bulrush
Bolboschoenus fluviatilis is sparse in Renfrew County and found in shallow water or sandy wet beaches of lakeshores and rivers.
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Figure 1. Achenes and scales.
Figure 2. Inflorescence in habitat.
Figure 3. Inflorescence in habitat.
Figure 5. Rhizome and corm with new shoot.
Figure 6. Sharply trigonous stem and leaf sheath.
Figure 6. Occurence map for Renfrew County and surrounding area.
| Accession # | Collector | Date |
|---|---|---|
| DAO 728822 | S.J. Darbyshire & S. Meier | 1998-September-20 |
| CAN 468810 | S.J. Darbyshire | 1981-September-20 |
| CAN 300497 | J.H. Soper | 1961-July-10 |
| CAN 570246 | T.C. Brayshaw | 1960-September-10 |
| DAO 250041 | J.A. Calder & D.B.O. Savile | 1952-August-06 |