Jepson eFlora
Key to families | Table of families and genera

Key to Orcuttia

View taxon page for Orcuttia

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

1. Lemma teeth unequal, central tooth longest

2. Lemma 6–7 mm, teeth awned, awns > 1 mm; fruit ± 2.5 mm ..... O. viscida

2' Lemma <= 5 mm, teeth sharp-pointed or awned, awns < 0.5 mm; fruit <= 2 mm

3. Plant sparsely hairy; stem generally prostrate; spikelets well separated on axis below, crowded toward tip; South Coast, Western Transverse Ranges, San Gabriel Mountains, Peninsular Ranges ..... O. californica (2)

3' Plant conspicuously hairy, ± gray; stem erect or ± spreading; spikelets crowded, inflorescence ± head-like; c Sierra Nevada Foothills, San Joaquin Valley ..... O. inaequalis

1' Lemma teeth ± equal

4. Stem generally prostrate; fruit 1.5–2 mm ..... O. californica (2)

4' Stem erect, ascending, or decumbent; fruit 2–3 mm

5. Stem branching only at lower nodes; upper spikelets densely crowded, lower well separated; plant generally densely hairy ..... O. pilosa

5' Stem often branching from upper nodes; spikelets ± evenly spaced, not densely crowded; plant sparsely hairy ..... O. tenuis


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