Seed Study - Rosa sp.
Rosa sp. - Wild Rose NPS Photo Species: Rosa sp. Seedling identification: Cotyledons are ovate with a rounded tip, yellowing before dropping. First true leaves are trifoliate, rounded, toothed and dull green. Rosa arkansana – prairie wild rose Average number of good seeds per gram bulk matter: n.m. Average number of good seeds per gram cleaned: 69 Commercial estimates of seeds per gram: 88 Percent seed: n.m. Percent live: 64 Collection dates: September 20 Collection effort: 39 grams in 4 person hours Collection notes: Relatively easy to collect. Each rose hip holds a lot of seed. Cleaning notes: Clean seed measurement was after wet fruits (soaked over night) were mashed to separate pulp from seed, air dried, then winnowed or dried pulp picked out. |
Did You Know?
Winds caused by changes in barometric pressure are what give Wind Cave its name. These winds have been measured at the cave's walk-in entrance at over 70 mph. The winds at the natural entrance of the cave attracted the attention of Native Americans and early settlers.