Geraea viscida
Proc. Amer. Acad. Arts 49: 357. 1913.
Common names: Sticky desert-sunflower
Basionym: Encelia viscida A. Gray Proc. Amer. Acad. Arts 11: 78. 1876
Treatment appears in FNA Volume 21. Treatment on page 122.
Perennials, 30–100 cm (caudices underground); herbage densely glandular-puberulent and ± bristly. Leaves sessile; blades green, ovate to oblong, 3–9 cm, bases ± auriculate, margins entire or dentate, apices obtuse, faces glandular-puberulent to stipitate-glandular. Heads usually borne singly. Involucres 10–15 mm. Phyllaries green, narrowly lance-oblong, apices obtuse (abaxial faces densely glandular-puberulent). Ray florets 0. Disc corollas 6–8 mm. Cypselae 7–10 mm; pappi 3–5 mm. 2n = 36.
Phenology: Flowering May–Jul.
Habitat: Openings in chaparral
Elevation: 400–1700 m
Distribution
Calif., Mexico (Baja California).
Discussion
Selected References
None.
Lower Taxa
None.