Difference between revisions of "Pleuropogon californicus"
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|common_names=California semaphoregrass | |common_names=California semaphoregrass | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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name=Pleuropogon californicus | name=Pleuropogon californicus | ||
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|authority=(Nees) Benth. ex Vasey | |authority=(Nees) Benth. ex Vasey | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda Ann Vorobik;Hana Pazdírková | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Calif. | |distribution=Calif. | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_134.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Meliceae | |tribe=Poaceae tribe Meliceae | ||
Latest revision as of 16:22, 11 May 2021
Plants annual or perennial; cespitose, with many innovations, not rhizomatous, or with poorly developed rhizomes. Culms 15-95 cm, erect or geniculate at the base, sometimes rooting at the lower nodes; nodes 3-6. Sheaths glabrous; ligules 2-6 mm; blades 3-29 cm long, 3-8 mm wide, adaxial surfaces slightly scabridulous. Racemes 8-35 cm, with 6-13 spikelets; internodes 1-6 cm; pedicels 1-5.5(9) mm, ascending to spreading. Spikelets 15-60 mm, ascending to spreading, with 7-20(30) florets, lower florets bisexual, upper florets pistillate, terminal florets sterile. Glumes lanceolate to broadly ovate; lower glumes 1-4.5 mm; upper glumes 2-6.5 mm, 1-3-veined; rachilla internodes 1-2.8 mm long, 0.2-0.5 mm thick, with a glandular swelling at the base; lemmas 4.5-7.5 mm, 7(9)-veined, veins distinct, often prominent, apices truncate or emarginate, unawned or awned, awns to 11 mm; paleal keels scabridulous, each with a 0.5-2.5 mm triangular, winglike appendage, often denticulate beyond the appendage; anthers 2.5-4 mm. Caryopses 2.5-3.1 mm.
Discussion
Selected References
None.
Key
| 1 | Plants annual or facultative perennials; lemmas usually with awns 5-11 mm long, rarely unawned; paleal appendages 0.5-2.5 mm long; spikelets 15-30 mm long | Pleuropogon californicus var. californicus |
| 1 | Plants perennial; lemmas unawned, sometimes mucronate, mucros to 1.5 mm long; paleal appendages 0.5-1 mm long; spikelets 25-60 mm long | Pleuropogon californicus var. davyi |