Eriophyllum confertiflorum var. tanacetiflorum
Man. Fl. Pl. Calif., 1116. 1925.
Basionym: Eriophyllum tanacetiflorum Greene Pittonia 2: 21. 1889
Revision as of 20:40, 16 December 2019 by FNA>Volume Importer
Leaf blades spatulate to obovate, 2–5 cm, 3–5-lobed, lobes ± oblong. Heads (3–)4–7(–10) per array. Peduncles 0–2.5(–9) cm. Involucres 5–7 mm diam. Phyllaries 5–7(–8), ovate, apices obtuse or acute. Ray florets 0 or 4–6; laminae 4–5 mm. Disc florets 35–75; corollas 3.5–4 mm. Cypselae 2–3.5 mm; pappi 0.5–1.3 mm. 2n = 64.
Phenology: Flowering May–Jul.
Habitat: Dry sites, oak woodlands
Elevation: 300–1000 m
Discussion
Of conservation concern.
Variety tanacetiflorum is known only from the central Sierra Nevada foothills. At least one population is sympatric with Eriophyllum lanatum and E. confertiflorum var. confertiflorum. It may deserve specific recognition.
Selected References
None.
Lower Taxa
None.