The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

bristleleaf pricklyleaf, Dahlburg-daisy, shooting star

Habit Annuals (rarely persisting), green, to 30 cm, glabrous or sparsely hirtellous.

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.

Ray florets


corollas yellow-orange, laminae 4–10 × 1.5–3 mm.

Disc florets


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.)

from FNA
TX; n Mexico
[WildflowerSearch map]
[BONAP county map]
Parent taxa Asteraceae > tribe Heliantheae > subtribe Pectidinae > Thymophylla
Sibling taxa
T. acerosa, T. aurea, T. concinna, T. micropoides, T. pentachaeta, T. setifolia, T. tephroleuca
Subordinate taxa
T. tenuiloba var. tenuiloba, T. tenuiloba var. texana, T. tenuiloba var. treculii, T. tenuiloba var. wrightii
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 scalesT. 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 scalesT. tenuiloba var. treculii
3.Pappi of 5–10 lanceolate to muticous scales, all ± erose or 1–3, 1-aristateT. tenuiloba var. texana
Synonyms Hymenatherum tenuilobum, Dyssodia tenuiloba
Name authority (de Candolle) Small: Fl. S.E. U.S., 1295, 1341. (1903)
Source Flora of North America vol. 21, p. 242.
Web links