Tetraneuris linearifolia var. linearifolia

Synonyms: Tetraneuris linearifolia subsp. dodgei Cockerell Tetraneuris linearifolia var. latior Tetraneuris oblongifolia
Treatment appears in FNA Volume 21. Treatment on page 448. Mentioned on page 449.

Plants 16–40+ cm. Stems 1(–6), erect, branched distally. Leaves ± hairy, sparsely to densely gland-dotted; basal blades spatulate to oblanceolate, entire or with 2(–6) teeth or lobes; proximal cauline blades narrowly spatulate to linear-oblanceolate, entire or with 1–2 teeth or lobes; mid blades linear-oblanceolate to linear, (0.9–)1.4–3(–4.8) mm wide. Peduncles (8–)9–14(–19) cm, ± hairy. Involucres (5–)6–7.8(–9) × (7–)8–11(–12) mm. Outer phyllaries 8–16, margins often scarious, abaxial faces ± hairy. Ray florets 9–20. Cypselae 1.5–2.1(–2.5) mm; pappi of 4–7 aristate scales 1.2–1.9(–2.5) mm. 2n = 28, 30.


Phenology: Flowering (Jan–)Apr–Jul(–Dec).
Habitat: Roadsides, hillsides, pastures, open areas, edges of woods
Elevation: 30–2700 m

Distribution

V21-1122-distribution-map.gif

Kans., N.Mex., Okla., Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).

Discussion

Selected References

None.

Lower Taxa

None.
Mark W. Bierner +  and Billie L. Turner +
(Hooker) Greene +
Hymenoxys linearifolia +
Kans. +, N.Mex. +, Okla. +, Tex. +, Mexico (Coahuila +, Nuevo León +  and Tamaulipas). +
30–2700 m +
Roadsides, hillsides, pastures, open areas, edges of woods +
Flowering (Jan–)Apr–Jul(–Dec). +
Tetraneuris linearifolia subsp. dodgei +, Tetraneuris linearifolia var. latior +  and Tetraneuris oblongifolia +
Tetraneuris linearifolia var. linearifolia +
Tetraneuris linearifolia +
variety +