| Sample ID | 286-12-1c |
|---|---|
| Species | pilosa |
| Genus | Bidens |
| Family | ASTERACEAE |
| Common name | Blackjack, hary beggarticks |
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| Pollen / Spore | pollen |
|---|---|
| Morphologic type | tricolporate |
| Surface pattern | echinate |
| Equatorial size | mean 22 |
| Polar size | mean 22 |
| Equatorial shape | circular |
| Polar shape | circular |
| Grain arrangement | dicot |
| Aperture count | 3 |
| Pore positions | corner |
| Pore morphology | sunken pore |
| Pore surface shape | circular |
| Pore colpuses | 3 |
| Wall thickness | 2.5 |
| Exine type | intectate |
| Columella visible? | True |
| Morphology notes | Tricolporate/Stephanocolporate. Shape: spheroidal approximately 22um. Round pore aperture. Exine structure very thick 2.5um. Sculpture echinate with spines 3-3.5um in length. Intectate on pollen slide, tectate with columnellae uncertain on SEM. Pore wider than colpi. |
| Plant type | angiosperm |
|---|---|
| Floristic region(s) | Northwest Pacific , Central Pacific , East Pacific Islands , Sub-tropical Pacific , New Zealand (north) , New Zealand and Islands (south) |
| Vegetation communities | disturbed/anthropogenic, herbland |
| Habitat notes | Wetlands, damp lowland fields and wasteland. Shade and dappled light inhibits germination. Bidens are "zoochorous" which means seeds are spread by animals. New Zealand, Africa, Bahamas, Brazil, Dominica, Domincan Republic, Ghana, Haiti, Java,Malaysia, mexico, New Guinea (Dani), Phillipines, S.Africa, Tanzania, Tonga, Upper Volta,Venezuela, W. Africa. Skottsberg collected from Easter Island in 1920. Gossen found Bidens in the fossil record of KAO3 Rano Kao, Rapa Nui (Easter Island) pre-human settlement. (Gossen,2010) |
| Collector | Purnomo, Ari Habsari, et al |
|---|---|
| Collection site | Jawa Tengah, Kec. Kejajar, Telaga Warna |
| Collection country | Indonesia |
| Collection date | 1990-07-05 |
| Collection notes | Processed at the Pollen Laboratory, University of Minnesota, USA from the collecton of Ed Cushing, slide ref. B2786. Also found in Diego Garcia, Indian Ocean. |
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