Lianas with tendrils. Stems cylindrical or subquadrangular; cross section of the mature stem with a cross of 4 or 8 dark arms formed by the phloem tissue; interpetiolar zone glandular or not; pseudostipules short, conical-obtuse. Leaves opposite, 2- or 3-foliolate, with a terminal trifid or simple tendril; petioles sometimes with an apical glandular zone. Flowers in terminal panicles or racemes or in axillary corymbs. Calyx crateriform, tubular, or campanulate, simple, truncate or 5-dentate; corolla white, lilac, purple, or reddish, zygomorphic, tubular-campanulate or infundibuliform; stamens 4, didynamous; ovary superior, cylindrical, glandular-papillose, puberulent, with 2 locules, the ovules 2(3-4) seriate. Fruit a linear-oblong capsule, compressed or convex, sometimes tuberculate, with the valves parallel to the septum; seeds numerous, with 2 membranaceous wings or without wings. A genus of 15 species distributed from Mexico to Brazil.
Molecular Biology and Genetics
Statistics of barcoding coverage
|Specimen Records:||25||Public Records:||8|
|Specimens with Sequences:||21||Public Species:||2|
|Specimens with Barcodes:||21||Public BINs:||0|
|Species With Barcodes:||4|
Locations of barcode samples
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