Packera cardamine
Phytologia 49: 46. 1981.
Perennials, 20–60+ cm; rhizomatous (rhizomes erect to ascending, stout). Stems 1, glabrous. Basal leaves petiolate; blades orbiculate-ovate, orbiculate, obovate, or subreniform, 30–80+ × 30–80+ mm, bases cordate to contracted, margins crenate, dentate, or wavy. Cauline leaves abruptly reduced (proximal petiolate or sessile and clasping, broadly lanceolate, irregularly incised or crenate; mid ones sessile, clasping, sometimes auriculate, oblong to hastate, irregularly dentate; distal bractlike, entire). Heads 3–8 in open, cymiform arrays. Peduncles conspicuously bracteate, glabrous. Calyculi conspicuous. Phyllaries 13, light green, 5–9+ mm, glabrous. Ray-florets usually 8+, rarely 0; corolla laminae 8–11 mm. Disc-florets 30–45+; corolla-tubes 4–5 mm, limbs 6–7 mm. Cypselae 1.5–2 mm, glabrous; pappi 9–10 mm.
Phenology: Flowering mid Jun–late Jul.
Habitat: Canyons, meadows, spruce forests
Elevation: 2400–3200 m
Distribution
Ariz., N.Mex.
Discussion
Of conservation concern.
Packera cardamine is uncommon, rarely collected, and known only from the Mogollon Mountains of New Mexico and the White Mountains of Arizona.
Selected References
None.