Comprehensive Description
provided by North American Flora
Pericome caudata A. Gray, PI. Wright. 2: 82. 1853
A tall branched perennial; stems 1-1.5 m. high, terete, striate, minutely puberulent; petioles 1-3 cm. long; blades hastate or deltoid, caudate-acuminate, entire or sinuate, 5-10 cm. long, minutely puberulent and punctate, pedately 3-5-ribbed; heads in terminal cymes; pedicels 1-2 cm. long; involucre turbinate-campanulate, 5-6 mm. high and nearly as broad; bracts about 20, linear, acuminate, puberulent; corollatube about 1.5 mm. long; throat about
3 mm. long; achenes narrowly-oblong, about 3 mm. long, sparingly hirsute or glabrate on the faces, densely hirsute-ciliate on the callous margins; crown of pappus about I mm. long; awns
4 mm. long or more, or commonly wanting.
Type locality: Copper Mines [Santa Rita del Cobre], New Mexico.
Distribution: Western Texas to southern Colorado, Nevada, southern California, and Chihuahua.
- bibliographic citation
- Per Axel Rydberg. 1914. (CARDUALES); CARDUACEAE; HELENIEAE. North American flora. vol 34(1). New York Botanical Garden, New York, NY