TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Perennial from rhizomes, aquatic (generally emergent) or terrestrial (sometimes on floating mats)
Stem erect, generally simple, slender
Leaves basal and cauline, alternate, simple; sheath generally open; ligule prominent; blade erect, linear, subcylindric; tip with a large pore
Inflorescence: raceme, terminal, bracted
Flower bisexual, radial; perianth parts 6 in 2 whorls, free; stamens 6 in 2 whorls, free, anthers opening outward by slits; pistils 3(6), simple above, fused at base, ovary superior, chamber 1, ovules 13
Fruit: follicle
Genera in family: 1 genus, 1 sp.
Etymology: (Johann Jakob Scheuchzer, Swiss botanist, 16721733)
Native |
Stem in flower 34 dm
Leaves: basal 12(3) dm; cauline shorter upward; ligule 210 mm; blade 13 mm wide
Inflorescence: flowers 312; peduncle in fruit < 2.5 dm
Flower: perianth parts ± 3 mm, 1-veined, greenish
Fruit: follicles 23, 510 mm, ± ascending
Seeds 13, 45 mm
Chromosomes: n=11
Ecology: Floating mats, bogs, lake margins
Elevation: 14002000 m.
Bioregional distribution: s High Cascade Range
Distribution outside California: to Alaska, e N.America
Other subsp. in Eurasia.