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Porophyllum scoparium
Gray
Family:
Asteraceae
Patrick Alexander
Flora of North America
Resources
John L. Strother in Flora of North America (vol. 21)
Subshrubs or shrubs,
20-60+ cm; internodes mostly 10-30 mm.
Leaf blades
mostly filiform, 10-40 × 1-2 mm.
Phyllaries
7-10, oblanceolate to linear, 6-10 mm.
Florets
mostly 40-80+; corollas yellow, 5-8 mm.
Cypselae
3.5-5.5 mm;
pappi:
longer bristles 6-7.5 mm.
2
n
= 24. Flowering spring-fall. Sandy, gravelly, and rocky sites, calcareous or igneous soils, with desert scrub; 500-1400 m; N.Mex., Tex; Mexico (Chihuahua, Coahuila, Nuevo León).
Open Interactive Map
Patrick Alexander
Patrick Alexander
Patrick Alexander
Patrick Alexander
Patrick Alexander
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