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Key to OrcuttiaView 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 tooth  1. A small, pointed projection, such as on the margin of a leaf, sepal, or petal. 2. The free tips of otherwise fused structures, such as sepals or petals (somewhat archaic usage); smaller than lobes. longest 2. Lemma 6–7 mm, teeth awned, awns  1. Bristle-like appendage or elongation, generally terminal. 2. Stiff, needle-like pappus element in Asteraceae. > 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  Lying flat on the ground. ; spikelets  1. In Poaceae, one or more florets (each a flower with subtending lemma and generally palea) and generally 2 subtending glumes; in a sterile spikelet, the flower(s) and sometimes palea(s) are rudimentary or absent. 2. In Cyperaceae, the smallest aggregation of flowers (generally more than 2) and associated bracts. well separated on axis below, crowded toward tip; SCo, WTR, SnGb, PR ..... O. californica (2) 3' Plant conspicuously hairy, ± gray; stem erect  Upright; vertically oriented. or ± spreading  Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal. ; spikelets crowded, inflorescence ± head-like; c SNF, SnJV ..... O. inaequalis 4' Stem erect, ascending  Curving or angling upward from base, or about 30-60 degrees less than vertical or away from axis of attachment. , or decumbent  lying mostly flat on the ground but with tips curving up. ; fruit 2–3 mm 5. Stem branching only at lower nodes  Position on a stem from which one or more structures (especially leaves, buds, branches, or flowers) arise. ; 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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