swamp jessamine Loganiaceae Gelsemium rankinii Small Listen to the Latin symbol: GERA4 Other Fact Sheets
Leaf: Opposite, simple, oblong to lanceolate, sharp tip, evergreen, entire margins, somewhat thickened, 1 to 3 inches long, during growing season green but more yellowish green in winter.
Flower: Very attractive, not fragrant, bright yellow, bell-shaped, with five short rounded lobes, 1 inch long, solitary or in small clusters, appearing October and November and again in March and April.
Fruit: Capsules, 1/2 inch long, somewhat flattened, appear in the summer.
Twig: Slender, hairless, solid pith, green or reddish brown, very tough and wiry, buds have loose scales.
Bark: Brown to reddish brown, becoming fissured and somewhat flutted appearing.
Form: Twining vine that scrambles over bushes and fences. It becomes quite dense in full sunlight.

Looks like: false jessamine - Japanese honeysuckle
leaf flower twig bark map
Additional Range Information:
Gelsemium rankinii is native to North America.
Range may be expanded by planting.
See states reporting swamp jessamine.
More: Fall Color
External Links:
USDA Plants Database
© Copyright 2016, Virginia Tech
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
Virginia Tech Homepage CNRE FREC