Jepson eFlora
Key to families | Table of families and genera

Key to Puccinellia

View taxon page for Puccinellia

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

1. Annual; remains of previous year's growth not present

2. Lowest lemma 1.8–2.2 mm; lemma tip obtuse to truncate ..... P. parishii

2' Lowest lemma 2.5–4 mm; lemma tip acute ..... P. simplex

1' Perennial herb; previous year's leaves persistent

3. Spikelet stalk glabrous to sparsely scabrous

4. Lemma margin near tip entire or sparsely finely scabrous at 10×; anthers of lowest floret 0.5–1.2 mm; coastal habitats, North Coast ..... P. pumila

4' Lemma margin near tip scabrous-serrate at 10×; anthers of lowest floret 0.4–2 mm; coastal and inland habitats

5. Anthers of lowest floret 1.5–2 mm; inland habitats, Klamath Ranges (Shasta Co.) ..... P. howellii

5' Anthers of lowest floret 0.5–1.4 mm; coastal habitats, North Coast ..... P. nutkaensis (2)

3' Spikelet stalk uniformly scabrous

6. Lowest lemma 1.5–2(2.2) mm; lemma tip obtuse to truncate; lower inflorescence branches spreading to reflexed in fruit; anthers of lowest floret 0.4–0.8 mm ..... P. distans

6' Lowest lemma 2–5 mm; lemma tip acute or acuminate to obtuse; lower inflorescence branches erect to reflexed in fruit; anthers of lowest floret 0.5–2 mm

7. Cauline leaf blade inrolled, 1–2 mm wide when flat; lemma tip acute, margin near tip generally entire, sometimes sparsely finely scabrous or scabrous-serrate at 10×; anthers of lowest floret 1–2 mm ..... P. lemmonii

7' Cauline leaf blade flat to inrolled, 1–6 mm wide when flat; lemma tip acute to obtuse, margin near tip scabrous-serrate at 10×; anthers of lowest floret 0.5–2 mm

8. Cauline leaf blade 1.5–6 mm when flat; lowest lemma (2.2)3–4.5(5) mm; coastal habitats, North Coast ..... P. nutkaensis (2)

8' Cauline leaf blade 1–4 mm when flat; lowest lemma (2)2.2–3(3.5) mm; generally inland habitats, occasionally coastal ..... P. nuttalliana

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