Erect annual (? and biennial) herbs. Leaves bipinnate, with (at least the lower) broad, toothed segments. Umbels numerous, compound, pedunculate; involucre present, bracts narrow or narrowly divided; involucel of several narrow bracteoles. Calyx-teeth obsolete. Petals white, emarginate above with an inflexed lobule. Flowers all hermaphrodite. Fruit densely verruculose, becoming purplish as it matures, black only when completely ripe, subrotund, strongly laterally flattened and narrowed to the commissure; primary ribs slender, not prominent, the mericarps rounded to obscurely 3-angled dorsally; vittae similar or variably sized in an almost complete ring around the endosperm, or solitary in the valleculae with 1–2 minute vittae beneath at least some primary ribs and 2 in the commissure; stylopodia very depressed-conical with an expanded, saucer-shaped crenulate disk; styles rather slender but short; carpophore bifid to the base. Endosperm rounded to bluntly pentagonal in section, the commissure almost flat.
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