Anoda cristata
crested anoda, spur anoda, violeta, violettas
suberect to decumbent, with patent or retrorse, simple hairs, hairs 1 mm.
petiole 1/2 times to equaling blade, hispid;
blade concolorous, often with purple blotch along midvein, ovate, triangular, hastate, or sometimes palmately lobed, mostly 3–9 cm, membranous, base cordate, wide-rounded, or truncate, margins crenate to subentire, apex acute, surfaces sparsely hairy, hairs mostly simple, appressed, 1 mm.
solitary flowers.
4–12 cm, often exceeding leaf.
calyx 5–10 mm, accrescent to 12–20 mm, lobes without dark midrib, apex acute, hispid;
petals purplish or lavender, rarely white, drying purplish, sometimes bluish, 8–26(–30) mm;
staminal column hairy;
style 10–19-branched;
stigmas glabrous.
with or without enclosing endocarp.
8–11 mm diam. (excluding spines), densely hispid;
mericarps 10–19, with dorsal spur 1.5–4 mm.
= 30, 60, 90.
Anoda cristata
Anoda cristata appears to be increasing its range in North America and elsewhere. It is quite variable, with either a decumbent to suberect habit and with varied flower sizes. The weedy form has generally small flowers while those to the south in Mexico have showy larger flowers even used in floral arrangements.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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