Taxon	Illustrator ⠉
	Rugelia nudicaulis Cacaliopsis nardosmia Luina hypoleuca	Yevonn Wilson-Ramsey Yevonn Wilson-Ramsey Linny Heagy

Perennials, 15–60 cm (caudices branched). Stems 1–5+, erect to spreading. Leaves cauline; alternate; sessile or petiolate; blades palmately (± parallel) nerved, ovate to lanceolate, margins entire or toothed, abaxial faces tomentose to lanate, adaxial faces tomentulose (gray-green) or glabrous (green). Heads discoid, in corymbiform to subumbelliform arrays. Calyculi 0. Involucres ± turbinate, 3–8 mm diam. Phyllaries persistent, 6–14 in 1–2 series, erect, distinct, ovate to lanceolate or linear, subequal, margins ± scarious. Receptacles flat to convex, smooth or foveolate, epaleate. Ray-florets 0. Disc-florets 11–26, bisexual, fertile; corollas creamy to bright-yellow, tubes longer than cylindric to funnelform throats, lobes 5, erect or spreading to recurved, deltate to lanceolate; style-branches stigmatic in 2 lines (joined near tips), apices rounded-truncate. Cypselae terete to fusiform, 9-nerved or 12–15-nerved, glabrous or strigose; pappi persistent, of 80–125, white, barbellulate bristles. x = 30.

Distribution

w North America

Discussion

Species 2 (2 in the flora).

Selected References

None.

Lower Taxa

Luina hypoleuca, Luina serpentina

Key

1	Leaf blades ovate to lanceolate (lengths 2–5 times widths); phyllaries ovate to lanceolate, 5–9 mm	Luina hypoleuca
1	Leaf blades lanceolate (lengths 5–10 times widths); phyllaries linear, 9–10 mm	Luina serpentina