Eriophyllum confertiflorum
Proc. Amer. Acad. Arts 19: 25. 1883.
Shrubs, 20–50 (–100) cm. Stems erect (woolly). Leaves (proximal usually mostly alternate): blades cuneate to obovate, 0.5–5 cm (the longer 1–2-pinnately lobed, lobes linear, the shorter 3–5-lobed or toothed), ultimate margins entire, revolute, abaxial faces woolly, adaxial usually glabrate (distal leaves gradually reduced in size and lobing). Heads (3–) 4–7 (–10) or 10–30+ per array. Peduncles mostly 0–2.5 (–9) cm. Involucres campanulate, 3–7 mm diam. Phyllaries 4–7, distinct or connate at bases (broadly elliptic or ovate, carinate, apices obtuse or acute). Ray-florets 0 or 4–6 (–8); laminae golden yellow, 2–5 (× 1.5–3) mm. Disc-florets 10–75; corollas 2–4 mm. Cypselae 1.5–3.5 mm; pappi of 2–14 cuneate to oblanceolate (subequal), erose scales 0.5–1.3 mm.
Distribution
Calif., Mexico
Discussion
Varieties 2 (2 in the flora).
Selected References
Lower Taxa
Key
| 1 | Heads 10–30+ per array; peduncles 0–1(–2) cm; involucres 3–5 mm diam.; disc corollas 2–3 mm | Eriophyllum confertiflorum var. confertiflorum |
| 1 | Heads (3–)4–7(–10) per array; peduncles 0–2.5(–9) cm; involucres 5–7 mm diam.; disc corollas 3.5–4 mm | Eriophyllum confertiflorum var. tanacetiflorum |