Torilis nodosa

Flora of Oregon

Plants annual, 1–5(7) dm.

Stems decumbent to ascending, slender, branched or not.

Leaves blades with deeply pinnatifid segments, oblong to elliptic in outline, 3–9 cm; petioles 0–10 mm.

Inflorescences peduncles 0–2.5 cm; involucral bracts 0–1, linear or hair-like, 1–4 mm; rays 2–4, 0–2 mm, inconspicuous; involucel bractlets 2–4, linear, 1–4 mm; pedicels 0–3 mm.

Flowers petals 1–3 mm.

Fruits ovate, 2–3 mm; bristles ascending and somewhat incurved.

2n=24.

Disturbed areas. Flowering May–Jul. 0–100 m. Est, WV. CA; widely scattered in North America; Africa, Asia, Europe, South America. Exotic.

The sessile to nearly sessile inflorescences of T. nodosa are unique among our Torilis species.

Herbarium specimens

/imglib/OSU_ORE/ORE65/07ORE65114_1492397692_tn.jpg
https://www.pnwherbaria.org/images/thumbnail.php?Image=ID130309.jpg
https://www.pnwherbaria.org/images/thumbnail.php?Image=ID130310.jpg
https://www.pnwherbaria.org/images/thumbnail.php?Image=ID130311.jpg
https://www.pnwherbaria.org/images/thumbnail.php?Image=ID130312.jpg