Difference between revisions of "Encelia frutescens"
Proc. Amer. Acad. Arts 8: 657. 1873.
Basionym: Simsia frutescens A. Gray in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 89. 1859
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Revision as of 20:36, 16 December 2019
Subshrubs or shrubs, 50–150 cm. Stems with slender branches from trunks, glabrous, developing fissured barks. Leaves cauline; petioles 2–7 mm; blades green, elliptic or narrowly ovate, 10–25 mm, apices obtuse, faces strigose. Heads borne singly. Peduncles strigose. Involucres 6–12 mm. Phyllaries lanceolate. Ray florets 0. Disc corollas yellow, 5–6 mm. Cypselae 6–9 mm; pappi 0 or of 2 bristlelike awns. 2n = 36.
Phenology: Flowering Feb–May, Aug–Sep.
Habitat: Desert washes, flats, slopes, roadsides
Elevation: 0–800 m
Distribution
Ariz., Calif., Nev., Mexico (Baja California, Sonora).
Discussion
Plants of Encelia frutescens in the flora area are var. frutescens; var. glandulosa C. Clark, with glandular, strigose leaves, is found in northeastern Baja California and is not expected here.
Selected References
None.
Lower Taxa
None.