FIGURE 2 in Foliar architecture of some members of the tribe Senecioneae (Asteraceae) with a key for identification of the Mexican genera

FIGURE 2. Primary and secondary veins patterns in Senecioneae. A, Craspedodromous, Erechtites valerianifolia. B, Mixed craspedodromous, Roldana candicans. C–E, Festooned semicraspedodromous, C, Packera sanguisorbae; D, Pseudogynoxys chenopodioides; E, Senecio argutus. F, Brochidodromous, Pentacalia parasitica. G, Weak broquidodromous, Telanthophora liebmanii. H, Paralelodromous, Barkleyanthus salicifolius. I–L, Suprabasal actinodromous, I, Digitacalia crypta; J, Nelsonianthus tapianus; K, Pittocaulon praecox; L, Robinsonecio gerberifolius. M, Radiate-palmate, Psacalium peltatum. Bar is 1 cm.