| Sample ID | 286-342-1 |
|---|---|
| Species | cinereum |
| Genus | Cyanthilium |
| Family | ASTERACEAE |
| Common name | asia ironweed witches broom |
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| Pollen / Spore | pollen |
|---|---|
| Morphologic type | fenestrate |
| Surface pattern | echinate |
| Equatorial size | min 19.5, mean 22.9, max 25.8 |
| Polar size | min 18.6, mean 22.5, max 25.5 |
| Equatorial shape | circular |
| Polar shape | circular |
| Grain arrangement | dicot |
| Dispersal form | monad |
| Morphology notes | Spine (echini) average 2.71um (2.29 - 2.92). |
| Plant type | angiosperm |
|---|---|
| Floristic region(s) | Australia (tropical) |
| Vegetation communities | herbland |
| Ecology notes | Fosberg, F. R., M.-H. Sachet and R. L. Oliver. 1979. A geographical checklist of the Micronesian dicotyledonae. Micronesica 15:292. Smith, A. C. 1991. Flora Vitiensis nova: A new flora of Fiji. Lawai, Kauai, Hawaii. National Tropical Botanical Garden. 5:263-264. Whistler, W. A. 1988. Checklist of the weed flora of western Polynesia. Technical Paper No. 194, South Pacific Commission, Noumea, New Caledonia. |
| Habitat notes | Near permanent water; on a range of substrates, sand, loam, clay, laterite. Occasional to common in waste places (Whistler, 1988). Presumably indigenous in southeastern Asia and Malesia, now adventive in most southern Pacific archipelagoes and elsewhere in the tropics, including Australia, New Zealand, Africa, and America (Smith, 1991). Fosberg et al. (1979) lists as native to Micronesia. |
| Collector | Anne & Mark Myerscough |
|---|---|
| Institution | Charles Darwin University |
| ANU access code | 17021 |
| Collection method | floral reference |
| Herbarium sample? | False |
| Collection site | Casuarina Coastal Reserve, Darwin, Northern Territory |
| Collection country | Australia |
| Collection date | 2004-06-17 |
| Collection notes | Kimberley Region, Western Australian Pollen Flora |
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