Erigeron foliosus var. foliosus |
Erigeron foliosus var. mendocinus |
|
---|---|---|
leafy fleabane, thread stem fleabane |
Mendocino erigeron, Mendocino fleabane |
|
Leaves | without prominent 1-directional orientation; blades (filiform or linear to oblanceolate) 20–40(–50) × 1–5(–10) mm, apices usually rounded, faces sparsely strigose to hirsuto-strigose. |
without prominent 1-directional orientation; blades 20–40 × 2–4 mm wide, apices acute to obtuse, faces glabrous or glabrate (margins and midveins ascending-ciliate). |
Ray florets | 15–49; corollas 6–10 mm. |
25–48; corollas 10–15 mm. |
Disc corollas | 3.5–4(–5) mm. |
3.8–5 mm. |
Phyllaries | 0.5–0.8 mm wide, margins usually thick or only with narrow scarious rims, midnerves usually not distinct and orange-resinous, abaxial faces glabrate to sparsely strigose, sometimes sparsely, obscurely glandular; inner phyllaries 3.2–4.5 mm. |
0.8–1 mm wide, margins usually broadly scarious, midnerves usually not distinct and orange-resinous, abaxial faces moderately to densely strigoso-hirsute, densely, prominently glandular; inner phyllaries 5–6.5 mm. |
2n | = 18. |
|
Erigeron foliosus var. foliosus |
Erigeron foliosus var. mendocinus |
|
Phenology | Flowering May–Aug(–Sep). | Flowering May–Aug. |
Habitat | Dry, open, rocky or grassy slopes, chaparral, oak to pine or pine-fir woodlands | Bars, banks, and ledges along rivers, dry slopes |
Elevation | (50–)300–2300(–2900) m ((200–)1000–7500(–9500) ft) | 30–800 m (100–2600 ft) |
Distribution |
CA; Mexico (Baja California) |
CA |
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 20, p. 312. | FNA vol. 20, p. 313. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | E. foliosus var. stenophyllus, E. tenuissimus | E. mendocinus |
Name authority | unknown | (Greene) G. L. Nesom: Phytologia 72: 187. (1992) |
Web links |