Key to Pleuropogon
View taxon page for Pleuropogon
(For a list of species in Pleuropogon, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Lowest
floret lemma 
In Poaceae, the lower, generally larger of two sheathing bracts subtending a flower, generally ensheathing the palea (in a sterile lemma, the associated flower and sometimes palea are rudimentary or absent); with the palea and flower, comprising the floret.
8–12 mm;
stem 7–16 dm;
rhizome 
1. In seed plants, stem that is often elongate, more or less horizontal, usually underground; distinguished from roots by bearing of leaves, leaf scars, axillary buds, etc. 2. In ferns, stem that is located underground, embedded in leaf litter, on rocks or in rock crevices, or on trees or tree branches, often scaly or hairy; distinguished from roots by bearing of fronds (roots rarely bear fronds), and their greater diameter.
evident
2. Awn 0.2–4 mm;
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.
erect 
Upright; vertically oriented.
or
ascending 
Curving or angling upward from base, or about 30-60 degrees less than vertical or away from axis of attachment.
at maturity
..... P. hooverianus 2' Awn 5–22 mm; spikelets
reflexed 
Abruptly bent or curved downward or backward.
at maturity
..... P. refractus 3. Annual; lemma
awn 
1. Bristle-like appendage or elongation, generally terminal. 2. Stiff, needle-like pappus element in Asteraceae.
generally present, (0)5–11 mm;
palea 
1. In Asteraceae, a scale-like bract that subtends an individual flower on the receptacle (equal to 'chaff scale' in TJM), absent in some genera, restricted to a ring separating ray and disk flowers in most tarweed species. 2. In Poaceae, the distal, generally smaller of two sheathing bracts subtending a flower, generally two-veined and -keeled and ensheathed by the lemma; with the lemma and flower, comprising the floret.
appendages 0.5–2.5 mm
..... var. californicus 3' Perennial herb; lemma awn occasionally present, <= 1.5 mm; palea appendages 0.5–1 mm
..... var. davyi
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