Monographs Details: Stomatochaeta
Authority: Maguire, Bassett & Wurdack, John J. 1957. The Botany of the Guiana Highland -- Part II. Mem. New York Bot. Gard. 9 (3): 235-392.
Description:Species Description - Heads solitary, terminal, few-flowered (10-20 ); involucre strongly gradate; receptacle plane or shallowly convex, epaleaceous except for 2-4 very narrow marginal pales, or in two species also with 1-4 additionally more centrally placed pales; corollas with internal hirsute collars, otherwise glabrous, the lobes stiffly erect, a lacking median vein, 2-4 times longer than the thin-textured 10-nerved tube; apical appendage of anthers sharply acute (ca. 3 mm long), caudal appendage sagittate, the tails linear, adjacent ones connate but easily separable; pollen grains yellowish, tricolpate, the furrows long-pointed; grains subprolate, sulosilate, the polar axis 45-50 µ; styles asperulous toward the tip, the branches ascending or erect, short, obtusish, 0.5 mm or less long; achenes 6 mm or less long, glabrous, quadrangular, 10-nerved; annul us lacking; corona entire low (ca. 0.5 mm long) bordered externally by a ring of pilose hairs; pappus 4-6-seriate, the setae flattened and free at the base, minutely upwardly barbellate. Shrubs; leaves coriaceous with veins (except S. cylindrica) immersed; trichomes malpighioid.
Stenopadus subgen. Stomatochaeta Blake, Bull. Torrey Club 58:490. 1931.
TYPE: species: Stomatochaeta crassifolia (Blake) Maguire & Wurdack.