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| yezoalpinus yezoalpina yezoalpinum | from the mountains of Hokkaido | |||
| yezo | yezo | noun | Yezo Japanese the former name for Hokkaido, the northernmost of the large islands of Japan | |
| alpinus | alpin | adj | of alps, mountains | |
| Salix yezoalpina Koidz. | ||||
| yezoensis yezoensis yezoense | from Hokkaido | |||
| yezo | yezo | noun | Yezo Japanese the former name for Hokkaido, the northernmost of the large islands of Japan | |
| ensis | ens | adj | adjective suffix for nouns: country or place of origin or habitat | |
| Polemonium yezoense Kitam. Viola yezoensis Maxim. | ||||
| yosemitensis yosemitensis yosemitense | from Yosemite Valley | |||
| yosemite | yosemit | noun | Yosemite Yosemite Valley in Sierra Nevada Mts, central California, USA, site of Yosemite National Park | |
| ensis | ens | adj | adjective suffix for nouns: country or place of origin or habitat | |
| Sedum yosemitense Britt. | ||||
| yuccifolius yuccifolia yuccifolium | Yucca leaved | |||
| yucca | yucc | noun | yuca Arawak native name for Manihot esculenta of which genus Yucca was mistaken for | |
| i | i | cnct | connective vowel used by botanical Latin | |
| folius | foli | adj | folium leaf | |
| Eryngium yuccifolium Michx. | ||||
| yunnanensis yunnanensis yunnanense | Yunnan province, China | |||
| yunnan | yunnan | noun | Yunnan Chinese south central Chinese province along border with Myanmar and Laos | |
| ensis | ens | adj | adjective suffix for nouns: country or place of origin or habitat | |
| Rhododendron yunnanense Franch. Malus yunnanensis (Franch.) C. K. Schneid. | ||||