OregonFlora species comparison

erect; (15)30–62 cm, with sessile glands.

erect, 30–72 cm.

elliptic to oblanceolate, rarely lanceolate; (18)22–46 × 3.6–12 cm, tapering to both ends;

margins entire to remotely toothed;

surfaces glabrous, often shiny with resin;

petioles 0–16 cm.

ovate-lanceolate to obovate-oblanceolate, 18–32.5 × 5.5–15.3 cm, sometimes ± decurrent;

margins entire;

surfaces tomentose, becoming glabrate;

petioles 10.5–19 cm.

blades lanceolate to elliptic, 7–21 × 1.8–6 cm;

margins entire, sessile.

ovate-lanceolate to obovate-oblanceolate, 5–21 × 2–7.5 cm;

petioles 0.5–8.6 cm.

terminal heads 1; larger; axillary heads 2–5; smaller;

peduncles 0.2–7.5 cm.

terminal heads 1; larger; axillary heads 0–3, sometimes reduced;

peduncles 1.9–5 cm.

terminal 20–35 × 20–25 mm; axillary 12–21 × 11–20 mm.

terminal 17–30 × 10–20 mm; axillary 15–25 × 10–15 mm.

larger heads 11–21; smaller heads 7–15, yellow;

rays 22–44 × 5–13 mm.

larger heads 8–13; smaller heads 7–10, yellow;

rays 20–35 × 6–9 mm.

9–11 mm.

~9 mm.

ovate-lanceolate to lanceolate, 16–30 × 4–12 mm;

surfaces glabrous, not ciliate.

ovate-lanceolate to lanceolate, 17–34 × 5–10 mm;

surfaces tomentose, not ciliate.

7–8 × 1.3 mm, glabrous;

pappus scales ovate, 1–2 mm; crowns 0.5–1 mm.

9–12 × 1.5–2 mm, loosely villous;

pappus scales subulate, 1–3, 2–3 mm, ciliate; crowns 0.3–1 mm.

15–18 mm.

15–18 mm.