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Eurybia jonesiae
(Lamboy) G.L. Nesom
Family:
Asteraceae
Almut's Wood-Aster
FNA
Resources
Luc Brouillet in Flora of North America (vol. 20)
Plants
20-110 cm, eglandular; rhizomes thick, caudices short, stout.
Stems
1, erect, simple, straight to slightly flexuous, glabrous or sparsely villosulous proximally, increasingly villosulous distally.
Leaves
basal and cauline, margins serrate, scabrous, apices usually acute, sometimes acuminate, mucronate, faces scabrous, abaxial sparsely villous to strigose with hirsute veins, adaxial strigose; basal and proximal long-petiolate (to 120 mm), petioles not winged (or rarely so), hirsute and ciliate, blades widely ovate to ovate or lanceolate, 80-190 × 50-110 mm, bases usually cordate, subcordate, or rounded, sometimes cuneate; cauline short-petiolate (to 50 mm) to subpetiolate or sessile (arrays), petioles gradually winged distally, blades ovate to lance-ovate, 20-60 × 8-30 mm, reduced distally, bases rounded to cuneate.
Heads
4-80 in flat-topped, corymbiform arrays. Peduncles 0.4-1.6 cm, villous; bracts single or a second midway.
Involucres
cylindro-campanulate, 10-13 mm, equaling or longer than pappi.
Phyllaries
36-50 in 4-5 series, ovate, elliptic, or lanceolate to linear (outer 3 × 1.5 mm, inner 13 × 0.7 mm), strongly unequal, bases indurate, green zones ± lanceolate to linear along midnerves (inner),
1
/ 4 -
3
/ 4 width, subapical (rarely outer foliaceous), margins hyaline, erose, ciliate, apices squarrose, acute to long-acuminate (inner hyaline), abaxial faces ± villosulous, adaxial glabrous.
Ray florets
7-15; corollas whitish to cream-colored, becoming purple, 15-20 × 1-2 mm.
Disc
florets 20-25; corollas yellow, slightly ampliate, 6.5-8.5 mm, tubes longer than funnelform throats, lobes ± reflexed, lanceolate, 1-1.2 mm.
Cypselae
brown, fusiform, ± compressed, 3-4 mm, ribs 7-9, tan, prominent, crowded, faces strigillose;
pappi
of cinnamon (sometimes ± clavate) bristles, ± equaling disc corollas.
2
n
= 54.
Flowering late summer-fall. Rich woods, moist ravines, rocky ridges, wooded slopes near streams, Piedmont in oak-hickory-pine forest region; 100-400 m; Ala., Ga.
A number of specimens from Alabama and Georgia identified as
Aster commixtus
are this species (see also W. F. Lamboy 1988).
Open Interactive Map
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44 Total Images
This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].
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