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Constancea
Family:
Asteraceae
FNA
Resources
Bruce G. Baldwin, John L. Strother in Flora of North America (vol. 21)
Subshrubs,
50-150(-200) cm.
Stems
decumbent to ± erect, branched from bases or throughout (densely white-tomentose to glabrate).
Leaves
cauline; alternate; petiolate; blades broadly ovate, 1-2-pinnately lobed (lobes oblong or oblanceolate to linear), ultimate margins entire (somewhat revolute, apices ± rounded), faces white-tomentose (adaxial often glabrescent).
Heads
radiate, (50-100+) in corymbiform or paniculiform arrays.
Involucres
cylindric to campanulate, 3-5 mm diam.
Phyllaries
persistent, 8-16 in ± 2 series (± erect in fruit, distinct, oblong to linear, ± herbaceous, ± keeled).
Receptacles
flat to convex, shallowly pitted, glabrous, epaleate.
Ray florets
4-9, pistillate, fertile; corollas yellow.
Disc florets
10-25+, bisexual, fertile; corollas yellow, tubes shorter than campanulate or narrowly funnelform throats, lobes 5, deltate.
Cypselae
(blackish, dull) obpyramidal to clavate, ± scabrellous to glabrate;
pappi
persistent, of 2-6+ unequal (or 2 opposite, longer, and ± equal), basally connate, oblong to subulate scales (tips acute to erose).
x
= 19.
Species within inventory project:
Arizona Flora
Constancea nevinii
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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