Picture Key to the Morning Glories of Monteverde, Costa Rica

Convolvulaceae: Orange, Scarlet, and Salmon


Click on the image to see a larger view and check the description below.

Flower parts


Orange, sticky calyx, dark lines in tube
Ipomoea aurantiaca
Scarlet, small size, slender calyx lobes
Ipomoea hederifolia
Salmon, large leathery calyx lobes
Operculina pteripes

Ipomoea aurantiaca

Corolla yellow-orange, 4 cm diameter, calyx and pedicel sticky, glabrous, dry rocky ridges on Pacific slope at 900-1200 m, flowers in September-October, uncommon and very locally distributed.

Ipomoea hederifolia

Corolla scarlet red, 2 cm diameter, 3-4 cm long, calyx lobes long and slender, Pacific lowlands to 500 m, uncommon; flowers Dec-Jan.

Operculina pteripes

Corolla salmon, 6 cm diameter, calyx glabrous, high-climbing liana, Pacific lowlands to about 500 m, very patchy distribution; flowers Dec-Feb.


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Images and text copyright © 2001 by William A. Haber, http://www.cs.umb.edu/efg/
Created: 7 March 2001; updated: 6 November 2001.