| 1237109 |
common periwinkle |
Vinca minor |
Calyx |
| 1589798 |
African milkweed |
Asclepias fruticosa |
Pods |
| 0016132 |
big periwinkle |
Vinca major |
vines with new growth in April |
| 1459150 |
hemp dogbane |
Apocynum cannabinum |
|
| 5428267 |
slender rose gentian |
Sabatia campanulata |
sepals |
| 5428262 |
shortleaf rose gentian |
Sabatia brevifolia |
sepals |
| 5428263 |
shortleaf rose gentian |
Sabatia brevifolia |
sepals |
| 1552254 |
common milkweed |
Asclepias syriaca |
leaf surface |
| 1557256 |
common milkweed |
Asclepias syriaca |
venation and hairs on lower leaf surface. |
| 1557255 |
common milkweed |
Asclepias syriaca |
underside of leaf. |
| 5275013 |
Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
Comparision of flowers of Cynanchum louiseae (top)
and Cynanchum rossicum |
| 5275018 |
Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
Twining vines |
| 5275021 |
dog-strangling vine, European swallowwort |
Cynanchum rossicum |
Comparision of flowers of Cynanchum louiseae (top)
and Cynanchum rossicum (bottom) |
| 0016133 |
big periwinkle |
Vinca major |
Both regular and variegated varieties shown on right compared to common periwinkle on left |
