Chrysopsis mariana
Maryland golden-aster
erect or ascending (often purplish), usually simple, sparsely to densely silky-sericeous (hairs sometimes long, twisting together at ends).
basal blades spatulate to oblanceolate, 15–250 × 4–40 mm, bases attenuate, margins obscurely dentate apically or entire, apices acute to obtuse, faces long-sericeous, glabrescent;
cauline sessile, blades lanceolate to elliptic-oblong, 10–30 mm, reduced distally, margins entire or obscurely dentate, ciliate, apices acute, faces long-silky-sericeous or glabrate.
(from axils of distalmost cauline leaves or bracteoles) 0.5–5 cm, densely stipitate-glandular (glands yellow to brown);
bracteoles 0–3, linear, stipitate-glandular.
campanulate, 7–10 mm.
10–22;
laminae 8–11 × 2–3 mm.
25–40;
corollas 5–7 mm, lobes 0.5 mm.
in 4–5 series, erect, linear, unequal, 0.8–1.4 mm wide, apices acute, abaxial faces densely stipitate-glandular.
1–50, usually in crowded subumbelliform arrays.
(stramineous to purple) 2–3 mm, without ridges, shallowly ribbed or smooth, faces sparsely short-strigose;
pappi in 2–3 series: outer of bristles 0.5–1 mm, inner of weakly to moderately clavate bristles 4–6 mm.
= 8, 16, 24, 32.
Chrysopsis mariana
Chrysopsia mariana is present in the Coastal Plain, Piedmont, Appalachian Plateaus, Valley and Ridge, and Blue Ridge regions. All four ploidy levels occur in partially overlapping areas in Florida, but only the hexaploid occurs in other states (J. C. Semple and C. C. Chinnappa 1986). Larger involucres occur in plants with higher ploidy levels.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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