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Amblyopappus
Family:
Asteraceae
Images
not available
FNA
Resources
John L. Strother in Flora of North America (vol. 21)
Annuals,
to 40 cm (sweet scented).
Stems
erect, branched.
Leaves
cauline; opposite (proximal) or alternate (mostly); sessile; blades mostly linear, sometimes pinnately lobed, ultimate margins entire, faces glabrous (often granular-glandular).
Heads
discoid or disciform, in corymbiform or paniculiform arrays.
Involucres
ovoid to campanulate, 3-4+ mm diam.
Phyllaries
persistent, 3-6+ in 1-2 series (± erect in fruit, distinct, obovate, herbaceous to membranous or scarious, flat or weakly cupped at bases, glabrous or granular-glandular).
Receptacles
conic, pitted or smooth, glabrous, epaleate.
Ray florets
0 (or inconspicuous; peripheral 3-8 florets pistillate, fertile; corollas yellow, tubular or nearly so).
Disc florets
2-25+, bisexual, fertile; corollas yellow, tubes about equaling campanulate throats, lobes 5, ± deltate.
Cypselae
mostly obpyramidal, (3-)4-angled, hairy;
pappi
persistent, of 7-10+ oblong to spatulate scales.
x
= 8.
Amblyopappus pusillus
Images
not available
Map not
Available