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Cyanthillium
Family:
Asteraceae
FNA
Resources
John L. Strother in Flora of North America (vol. 19, 20 and 21)
Annuals
(perhaps persisting), 2-6(-12+) dm.
Leaves
mostly cauline (at flowering); petioles ± winged; blades ovate to trullate, deltate, oblanceolate, or spatulate, bases ± cuneate, margins serrate, apices rounded to acute, abaxial faces ± hirtellous to densely piloso-strigillose, resin-gland-dotted, adaxial faces ± scabrellous or glabrate.
Heads
discoid, ± pedunculate, not subtended by foliaceous bracts, (12-)40-100+ in ± corymbiform arrays (6-)10-15+ cm diam.
Involucres
± campanulate to turbinate or hemispheric, 4-5 mm diam.
Phyllaries
24-32+ in 3-4+ series, the outer subulate to lanceolate, inner ± lanceolate, all ± chartaceous, margins entire, tips apiculate to spinose, abaxial faces ± strigillose, ± resin-gland-dotted.
Florets
13-20(-24+); corollas lavender to pink or purplish, tubes longer than funnelform throats, lobes 5, lance-linear, ± equal.
Cypselae
± columnar, not ribbed, ± strigillose;
pappi
of ± 20 ± persistent outer scales, plus ± 20 caducous inner bristles.
x
= 9 (18-).
Species within checklist:
Sarasota-Manatee Ecoflora
Cyanthillium cinereum
Map not
Available
This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].
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