Thymophylla tenuiloba
Thymophylla tenuiloba var. tenuiloba
bristleleaf pricklyleaf, Dahlburg-daisy, shooting star
bristleleaf pricklyleaf, Dahlberg daisy, golden fleece
decumbent to erect.
mostly alternate (sometimes opposite at 1–3 proximal nodes);
blades usually lobed, 12–28 mm overall, lobes 7–15, linear to filiform, pliable (blades mostly not lobed in var. wrightii).
7–15-lobed.
30–80 mm, glabrous or hirtellous.
obconic, 5–7 mm.
10–21;
corollas yellow-orange, laminae 4–10 × 1.5–3 mm.
50–100+;
corollas yellow, 2.5–4.5 mm (peripheral ± zygomorphic in some plants).
12–22, margins of outer distinct less than 1/5 their lengths, abaxial faces glabrous or sparsely hirtellous.
of 3–8 deltate to subulate bractlets, lengths less than 1/2 phyllaries.
2–3.5 mm;
pappi of erose and/or aristate scales 0.7–3.5 mm.
of 10–12, 3–5-aristate scales 2–3.5 mm.
= 16, 24, 32, 40.
Thymophylla tenuiloba
Thymophylla tenuiloba var. tenuiloba
Varieties 4 (4 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Leaf blades seldom lobed (linear to spatulate, usually entire, rarely with 3–5 toothlike lobes) | var. wrightii |
1. Leaf blades lobed (lobes 7–15 linear) | → 2 |
2. Pappi of 3–5-aristate scales | var. tenuiloba |
2. Pappi of truncate to lanceolate and/or 1-aristate scales | → 3 |
3. Pappi of 5 erose scales alternating with 5unequal, 1-aristate scales | var. treculii |
3. Pappi of 5–10 lanceolate to muticous scales, all ± erose or 1–3, 1-aristate | var. texana |
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