Cypselas with marginal ridges developed and often prominent, flattened faces with or without ribbing
Flattened faces of cypselas ribbed
Facial ribs of cypselas not or scarcely convergent, and all or most ribs continued through to summit; marginal ribs rarely fused with adjacent facial ribs
Marginal ribs of cypselas covered with hairs similar to those of cypsela faces (but hairs sometimes smaller), glands or glandular hairs often present on cypsela faces
Eglandular hairs on upper part of cypsela faces entire or minutely and acutely bifid; hairs on marginal ridges of similar length to those of faces (but sometimes incurved); vegetative parts weakly glandular or eglandular
Leaves cuneate, oblanceolate or obovate (rarely spathulate and then more or less evenly tapered to base), usually longitudinally folded, entire or with a pair of short lobes toward tip; involucres mostly more than 6 mm long
Indumentum of straight or slightly curved or crisped, spreading to appressed, stiffish hairs, if ever somewhat cottony never completely covering stems, leaves or bracts
Non-glandular hairs of vegetative parts strigose, stiff, appressed (or spreading on stems)
(Vicflora)