Flourensia cernua
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 593. 1836.
Shrubs to 100(–200) cm. Leaf blades elliptic to ovate, 10–25(–40+) × 4–15(–20) mm (margins sometimes undulate). Ray florets 0. Disc florets 10–25(–40); corollas 3–4 mm. Cypselae 4–6.5 mm; pappi 2.5–3.5 mm. 2n = 36.
Phenology: Flowering mostly Sep–Nov.
Habitat: Limestone or alkaline or clay soils, gravelly sites, desert scrub
Elevation: 800–2000+ m
Distribution
Ariz., N.Mex., Tex., Mexico.
Discussion
Plants of Flourensia cernua usually have a tarry odor and are often locally co-dominant with Larrea tridentata throughout much of the Chihuahuan Desert.
Selected References
None.
Lower Taxa
None.