Tetraneuris linearifolia var. arenicola Bierner

국표에 없다.

Plants 21–50+ cm. Stems (1–)4–10, erect or ± decumbent, unbranched or branched distally. Leaves usually densely hairy, sparsely to moderately glanddot-ted; basal blades usually spatulate, usually with 2–6 teeth or lobes; proximal cauline blades usually oblanceolate, usually with 2(–6) teeth or lobes; mid blades usually oblanceolate, (2.5–)3.9–9.5(–16) mm wide. Peduncles (10–)13–22(–29) cm, densely hairy. Involucres 8–10 × 12–15 mm. Outer phyllaries 13–21, margins usually not scarious, abaxial faces densely hairy. Ray florets 14–25. Cypselae 1.9–2.6 mm; pappi of 5–8 non-aristate scales 1–1.7 mm. 2n = 30.

Flowering (Feb–)Mar–Apr(–Jun; also Dec). Roadsides and pastures; 50–200 m; Tex.

Variety arenicola is known only from the vicinity of Brooks, Hidalgo, Jim Hogg, and Zapata counties. It grows in sand; var. linearifolia grows in limestone-derived soils.

Tetraneuris linearifolia var. arenicola in Flora of North America @ efloras.org

Fineleaf Fournerved Daisy, TETRANEURIS LINEARIFOLIA (backyardnature.net)

https://youtu.be/nwc9pe3nKW0?t=878