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

Key to Orcuttia

View taxon page for Orcuttia

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

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

1. Lemma teeth unequal, central  longest

2. Lemma 6–7 mm, teeth awned,  > 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  well separated on axis below, crowded toward tip; SCo, WTR, SnGb, PR ..... O. californica (2)

3' Plant conspicuously hairy, ± gray; stem  or ± ; spikelets crowded, inflorescence ± head-like; c SNF, SnJV ..... O. inaequalis

1' Lemma teeth ± equal

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

4' Stem erect, , or ; fruit 2–3 mm

5. Stem branching only at lower ; 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

 

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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/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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