Taxon	Illustrator ⠉
	Calyptocarpus vialis Lasianthaea podocephala Lagascea decipiens var. decipiens	Marjorie C. Leggitt Yevonn Wilson-Ramsey Barbara Alongi

Perennials, to 30 cm. Stems prostrate to decumbent, branched throughout. Leaves cauline; opposite; petiolate; blades (± 3-nerved) deltate to ovate or lanceolate, bases cuneate to truncate, margins toothed, faces ± scabrellous. Heads radiate, borne singly (in axils). Involucres obconic, 3–8 mm diam. Phyllaries persistent, 5 in 1 (–2) series (linear to lanceolate, herbaceous). Receptacles convex, paleate (paleae persistent, scarious). Ray-florets 3–8, pistillate, fertile; corollas pale-yellow. Disc-florets 10–20, bisexual, fertile; corollas yellow, tubes shorter than funnelform throats, lobes 4–5, ± deltate. Cypselae compressed or flattened, cuneate (faces often tuberculate); pappi persistent, of 2 (–5+) stout awns. x = 12.

Distribution

s United States, Mexico, Central America

Discussion

Species 2 (1 in the flora).

Selected References

None.

Lower Taxa

Calyptocarpus vialis

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