Pteronia adenocarpa, Harvey, 1865
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publication ID |
https://doi.org/ 10.11646/phytotaxa.523.1.4 |
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DOI |
https://doi.org/10.5281/zenodo.5576540 |
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persistent identifier |
https://treatment.plazi.org/id/03B78780-FFB4-FFC1-98C5-F99BFA09F7AE |
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treatment provided by |
Plazi |
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scientific name |
Pteronia adenocarpa |
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Key to species of the Pteronia adenocarpa View in CoL group
1. Cypselae glabrous-glossy, glandular and/or hairy, when hairy then hairs evenly distributed on the surface ...................................... ............................................................................................................................................................ remaining species of Pteronia View in CoL
- Cypselae hairy, hairs strictly confined to the base .............................................................................................................................2
2. Branches glabrous ..............................................................................................................................................................................3
- Branches hairy ....................................................................................................................................................................................5
3. Branches greyish-white; leaves slightly keeled; cypselae glabrous on the surface.......................................................... 6. P. viscosa View in CoL
- Branches greenish; leaves flattened; cypselae glandular on the surface ............................................................................................4
4. Leaves narrowly ovate, free, glabrous, apex with prominent cluster of bristles; capitula pedunculate; pappus biseriate, straight..... ................................................................................................................................................................................... 2. P. armatifolia View in CoL
- Leaves oblanceolate or obovate, connate at base, punctate, apex without prominent cluster of bristles; capitula sessile; pappus multiseriate with a tortuous band near the base........................................................................................................ 1. P. adenocarpa View in CoL
5. Involucral bracts puberulent; cypselae glandular on the surface; corolla brown ................................................. 5. P. stoehelinoides
- Involucral bracts and cypselar surface glabrous; corolla yellow........................................................................................................6
6. Branches setose; cypselae oblong ...................................................................................................................... 4. P. hutchinsoniana View in CoL
- Branches pubescent; cypselae ovate............................................................................................................................... 3. P. elongata View in CoL
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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