Comprehensive Description
provided by North American Flora
Dugaldia integrifolia (H. B. K.) Cass. Diet. Sci. Nat. 55: 271
1828.
Actinea integrifolia H. B. K. Nov. Gen. & Sp. 4: 297. 1820.
Oxylepis lanata Benth. PI. Hartw. 87. 1841.
Helenium lanatum A. Gray, Proc. Am. Acad. 9: 205. 1874.
Helenium integrifolinm Benth. & Hook.; Hemsl. Biol. Centr. Am. Bot. 2: 227. 1881.
Heleniastrum integrifolinm Kuntze, Rev. Gen. 342. 1891.
A perennial, with a rootstock; stem erect, simple, monocephalous, lanate, 3-5 cm. high; basal leaves sessile, linear, obtuse, entire, thick, glabrous, dilated at the base, 1-1.5 dm. long, 1 cm. wide; stem-leaves linear, not decurrent, 5-nerved, glabrate or the upper somewhat lanate; heads solitary; peduncles about 1 dm. long; involucre 3-3.5 cm. broad; bracts oblonglinear, attenuate, flat, lanate; receptacle nearly plane; ray-flowers about 40; ligules about 1.5 cm. long; achenes densely pubescent; squamellae 5-7, lanceolate, subulately awn-tipped.
Type locality: Between Omitlan and Serro del Jacal [Hidalgo]. Distribution: Central Mexico to Guatemala.
- bibliographic citation
- Per Axel Rydberg. 1915. (CARDUALES); CARDUACEAE; HELENIEAE, TAGETEAE. North American flora. vol 34(2). New York Botanical Garden, New York, NY
