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| secundiflorus secundiflora secundiflorum | flowers on one side | |||
| secundus | secund | adj | following, next, second | |
| i | i | cnct | connective vowel used by botanical Latin | |
| florus | flor | ppar | floreo to bloom, to flower | |
| Eragrostis secundiflora J. Presl Helichrysum secundiflorum Wakef. Penstemon secundiflorus Benth. | ||||
| secundus secunda secundum | in a row, leaves on one side, secund | |||
| secundus | secund | adj | following, next, second | |
| Orthilia secunda (L.) House Epidendrum secundum Jacq. Andropogon secundus Ell. | ||||
| securiger securigera securigerum | axe bearing | |||
| securis | secur | noun/f | an axe | |
| i | i | cnct | connective vowel used by botanical Latin | |
| ger | ger | apar | gero to carry, bear, wear | |
| segetis segetum | of the corn field(s) | |||
| generative of seges | seget | noun/f | corn field; corn crop | |
| Chrysanthemum segetum L. | ||||
| selago selagines | Lycopodium selago | |||
| selago | selagin | noun/f | ancient name for Lycopodium selago | |
| Huperzia selago (L.) Bernh. ex Mart. & Schrank | ||||
| semibarbatus semibarbata semibarbatum | half bearded | |||
| semi | semi | pre | half | |
| barbatus | barbat | adj | having a beard; bearded | |
| Pedicularis semibarbata Gray Rhododendron semibarbatum Maxim. | ||||
| semicordatus semicordata semicordatum | half heart shaped | |||
| semi | semi | pre | half | |
| cordatus | cordat | adj | wise, prudent | |
| Cyclopeltis semicordata (Sw.) J. Sm. | ||||
| semidentatus semidentata semidentatum | half toothed | |||
| semi | semi | pre | half | |
| dentatus | dentat | adj | toothed | |
| Olearia semidentata Decne. | ||||
| semiglobosus semiglobosa semiglobosum | half spherical | |||
| semi | semi | pre | half | |
| globosus | globos | adj | spherical | |
| Juniperus semiglobosa Regel | ||||
| semperflorens semperflorens semperflorens | always flowering | |||
| semper | semper | adv | always | |
| florens | florent | apar | floreo to bloom, to flower | |
| Begonia semperflorens Link & Otto | ||||
| sempervirens sempervirens sempervirens | evergreen | |||
| semper | semper | adv | always | |
| virens | virent | apar | vireo to be green or verdant | |
| Antirrhinum sempervirens Lapeyr. | ||||
| sempervivus semperviva sempervivum | always alive | |||
| semper | semper | adv | always | |
| vivus | viv | adj | alive | |
| Sedum sempervivum Ledeb. ex Spreng. | ||||
| senescens senescens senescens | graying | |||
| senescens | senescent | apar | senesco to grow old, gray, hoary | |
| Allium senescens L. | ||||
| senex senes | old man | |||
| senex | sen | noun/c | old man, woman | |
| senilis senilis senile | of an old man | |||
| senilis | senil | adj | of or pertaining to old people; senile | |
| Chrysopsis senilis Woot. & Standl. | ||||
| sensibilis sensibilis sensibile | sensitive | |||
| sensibilis | sensibil | adj | able to be sensed, perceivable; able to sense, perceiving | |
| Onoclea sensibilis L. | ||||