Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Scirpus

View taxon page for Scirpus

(For a list of species in Scirpus, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Spikelets all or many solitary, ± stalked; perianth bristles strongly curled in fruit

2. Perianth bristles exceeding flower bractsstem 3–5 mm diam at middle; flower  midrib ± green to pale ± brown, ± obscure; fruit 0.6–0.9 mm ..... S. cyperinus

2' Perianth bristles not exceeding flower bracts; stem 0.6–3 mm diam at middle; flower bract midrib generally green, prominent; fruit 1–1.8 mm ..... S. pendulus

1' Spikelets in head-like clusters, ; perianth bristles ± curled or curved to straight in fruit

3. Ligule present; fruit generally 2-angled; stigmas 2(3); perianth bristles curved to straight in fruit, fine-toothed ..... S. microcarpus

3' Ligule 0; fruit generally 3-angled; stigmas 3(2); perianth bristles ± curled to straight in fruit, fine-toothed above middle

4. Perianth bristles >> fruit, teeth generally ; flower bract generally ± black ..... S. congdonii

4' Perianth bristles < to > fruit, teeth generally ; flower bract green to brown or ± black ..... S. diffusus



Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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