| Sample ID | 12-40-1 |
|---|---|
| Species | californicus |
| Genus | Schoenoplectus |
| Family | CYPERACEAE |
| Common name | Totora, Nga'atu |
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| Pollen / Spore | pollen |
|---|---|
| Morphologic type | inaperturate |
| Surface pattern | psilate |
| Equatorial size | mean 45 |
| Polar size | mean 40 |
| Grain arrangement | monocot |
| Aperture count | 4 |
| Pore surface shape | irregular |
| Exine type | tectate |
| Columella visible? | True |
| Morphology notes | Periporate. Pore aperture thin and not defined. Exine thin, appears to be scabrate but actual thinning of exine at columnellae area below exine. Sculpture tectate/psilate. Shape irregular and sometimes elongated. Often found folded in slides with pores broken. Three equatorial pores and one polar. |
| Plant type | angiosperm |
|---|---|
| Floristic region(s) | Hawaiian Islands , East Pacific Islands , New Zealand and Islands (south) , Other outside Australasia |
| Cultivated? | True |
| Vegetation communities | herbland |
| Habitat notes | Wet environments particularly the edge of lakes,marshes, peat bogs and on Easter Island on the floating mat. Humans cultivate Totora by planting rhizomes in trenches up to 5m deep in South America on the coast as well as at Lake Titicaca. Found in South America, California to Louisiana across the southern United States and Hawaii. Found in seeds and fossil pollen record of KAO3 in the lake Rano Kao, Rapa Nui (Easter Island) over the past 15k years. (Gossen,2010) |
| Collector | Dickerman 1044 |
|---|---|
| Collection site | Puebla |
| Collection country | Mexico |
| Collection date | 1958-12-18 |
| Collection notes | Processed at the Pollen Laboratory, University of Minnesota, USA from the collecton of Ed Cushing, slide ref. B3652. |
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