Thymophylla tenuiloba var. tenuiloba

Common names: Dahlberg daisy golden fleece
Treatment appears in FNA Volume 21. Treatment on page 243.
Revision as of 22:34, 29 July 2020 by imported>Volume Importer
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Leaves 7–15-lobed. Pappi of 10–12, 3–5-aristate scales 2–3.5 mm. 2n = 16, 24, 32, 40.


Phenology: Flowering early spring–late fall.
Habitat: Heavy soils or loams or sands, often with limestone, frequently ruderal along roadways and in other disturbed places
Elevation: 0–300 m

Distribution

V21-598-distribution-map.gif

Tex., Mexico (Tamaulipas), in West Indies, Asia, Africa

Discussion

Variety tenuiloba is relatively recently adventive in Alabama, Florida, Louisiana, Mississippi, Bahamas, West Indies (Cuba), Asia, and Africa.

The names Dahlberg daisy and golden fleece are recent coinages applied to cultivars of var. tenuiloba in the horticultural trade.

Selected References

None.

Lower Taxa

None.
40 +, 32 +, 24 +  and 16 +
hirtellous +  and glabrous +
not tailed +, rounded +  and obtuse +
darkened +  and pale +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
(de Candolle) Small +
decurrent +
Hymenatherum tenuilobum +
compound +  and simple +
1.2 cm12 mm <br />0.012 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
deltate;subulate +
barbellulate +  and barbellate +
Dahlberg daisy +  and golden fleece +
yellow +  and yellow-orange +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
strigillose +  and glabrous +
cylindro-clavate +, obconic +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Tex. +, Mexico (Tamaulipas) +, in West Indies +, Asia +  and Africa +
0–300 m +
tomentose +, puberulent +, lanate +, floccose +, canescent +, arachnose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Heavy soils or loams or sands, often with limestone, frequently ruderal along roadways and in other disturbed places +
cymiform +, corymbiform +, discoid +  and radiate +
singly +  and radiant +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1.5mm;3mm +
sessile +  and petiolate +
7-15-lobed +
linear +  and filiform +
dentate to pinnatifid or palmatifid +  and entire +
0 +  and 1/5 +
2-carpellate +
persistent +
of 10(-20) distinct scales +  and coroniform +
hirtellous +  and glabrous +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering early spring–late fall. +
12 +  and 22 +
Fl. S.E. U.S., +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
distinct +
10-12,3-5-aristate +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
exalbuminous +
decumbent +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Dyssodia tenuiloba +
Thymophylla tenuiloba var. tenuiloba +
Thymophylla tenuiloba +
variety +
cylindric +
toothed +  and entire +
hirtellous +  and glabrous +
0 cm0 mm <br />0 m <br /> (30 cm300 mm <br />0.3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
shrub +  and subshrub +