Thymophylla tenuiloba
bristleleaf pricklyleaf, Dahlburg-daisy, shooting star
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).
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.
Thymophylla tenuiloba
Varieties 4 (4 in the flora).
(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) | T. tenuiloba var. wrightii |
| 1. | Leaf blades lobed (lobes 7–15 linear) | → 2 |
| 2. | Pappi of 3–5-aristate scales | T. tenuiloba 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 | T. tenuiloba var. treculii |
| 3. | Pappi of 5–10 lanceolate to muticous scales, all ± erose or 1–3, 1-aristate | T. tenuiloba var. texana |
Flora of North America
WildflowerSearch
iNaturalist
USDA Plants Database
