Comprehensive Description
provided by North American Flora
Pacourina edulis Aubl. PI. Guian. 2: 800. 1775
Uaynea edulis Willd. Sp. PI. 3: 1787. 1804.
Pacourinopsis inlegrifolia Cass. Bull. Soc. Philom. 1817: 151. 1817.
Pacourinopsis dentata Cass. Bull. Sot-. Philom. 1817: 151. 1817.
Pacourina cirsiifolia H. B. K. Nov. Gen. & Sp. 4: 30. 1818.
Vernonia edulis Steud. Nora. Bot. ed. 2. 2: 753. 1841.
Pacourina edulis spinosissima Britton, Ann. N. Y. Acad. Sci. 7: 132. 1893.
Stems 1-2 m. tall, thinly pubescent or nearly glabrous; leaf-blades narrowly oblong to broadly elliptic, oblanceolate, or ovate, 15-20 cm. long, 5-8 cm. wide, deeply and irregularly serrate or runcinate with spinous teeth, or nearly entire, acute or acuminate, nearly glabrous
on both sides, narrowed below into a winged petiole 2-3 cm. long and auriculate at it
heads chiefly in the upper axils, 3 cm. wide and high; involucral scales broadly ovate-oblong;
achenes linear, 1 cm long, glandular.
Type locality: French Guiana.
Distribution: Santo Domingo and Nicaragua; also in South America.
- bibliographic citation
- Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY