TREATMENT FROM THE JEPSON MANUAL (1993) |
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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 |
Annual or perennial herb, often rhizomed, often of wet open places, generally monoecious; roots fibrous, hairy
Stem generally 3-sided
Leaves often 3-ranked; sheath generally closed; ligule generally 0; blade (0) various, parallel-veined
Inflorescence: spikelets variously clustered; flowers generally sessile in axil of flower bract
Flower small, generally wind-pollinated; perianth 0 or bristle-like; stamens generally 3, anthers attached at base, 4-chambered; ovary superior, 1-chambered, 1-ovuled, style 23-branched
Fruit: achene, generally 3-sided
Genera in family: ± 110 genera, 3600 species: worldwide, especially temp
Reference: [Tucker 1987 J Arnold Arbor 68:361445]
Difficult: taxa differ in technical characters of inflorescence and fruit.
Perennial
Stem leafy, solid
Leaves sheathing; uppermost often bladeless
Inflorescence subtended by 1several, leaf- or scale-like bracts; spikelets terminal, solitary, or in head-like clusters; flower bracts spiraled
Flowers bisexual; perianth bristles 6many, > flower bracts, persistent, often greatly elongating; stamens 3; style 3-branched
Fruit ± flat or 3-sided
Species in genus: ± 20 species: especially n temp (1 s Africa)
Etymology: (Greek: wool-bearing)
Native |
Stem 210 dm, erect, 3- sided
Leaves 410 cm, flat; basal present at flower
Inflorescence: spikelets 510
Flower: perianth bristles 67, barbed, tawny
Ecology: Wet meadows, streambanks
Elevation: generally > 2000 m.
Bioregional distribution: Northwestern California, Cascade Range, High Sierra Nevada
Distribution outside California: s Oregon
Synonyms: Scirpus c. A. Gray
Horticultural information: WET or IRR, DRN: 1, 2, 3, 4, 5, 6, 7, 14, 15, 16, 17.