Seed dormancy profiles are available for the major vegetation regions/types on earth. These were constructed using a composite of data from locations within each region. Furthermore, the proportion of species with nondormant (ND) seeds and the five classes of dormancy is available for each life form in each region. Using these data, we asked: will the results be the same if many species from a specific area as opposed to data compiled from many locations are considered? Germination was tested for fresh seeds of 358 species in 95 families from the Xishuangbanna seasonal tropical rainforest (XSTRF): 177 trees, 66 shrubs, 57 vines and 58 herbs. Seeds of 12.3% of the species were ND, and 0.3, 14.8, 60.6, 12.0 and 0% of the species had morphological (MD), morphophysiological (MPD), physiological (PD), physical (PY), and combinational (PY + PD) dormancy, respectively. PD was more important than ND in all life forms, PY was highest in shrubs, MD was not important in any life form and MPD was most common for herb and vines. The seed dormancy profile for XSTRF differs considerably from the composite profile for this vegetation type worldwide, most obviously in ND being much lower and PD much higher in XSTRF.

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Published in Scientific Reports, v. 8, article no. 4674, p. 1-5.

© The Author(s) 2018

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This study was financially supported by funds from the Knowledge Innovation Project of the Chinese Academy of Sciences (KSCXZ-SW-117) and the Ministry of Science and Technology of China (2005DKA21006).

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Supplementary information accompanies this paper at https://doi.org/10.1038/s41598-018-22930-5.

41598_2018_22930_MOESM1_ESM.doc (492 kB)
Supplementary Information