Erigeron foliosus var. foliosus |
Erigeron foliosus var. franciscensis |
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leafy fleabane, thread stem fleabane |
Franciscan erigeron, San Francisco leafy fleabane |
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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, apices mostly obtuse to rounded, faces sparsely to moderately strigose. |
Ray florets | 15–49; corollas 6–10 mm. |
28–48; corollas 7–10 mm. |
Disc corollas | 3.5–4(–5) mm. |
4.5–5 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 prominent, raised, orange-resinous, abaxial faces moderately to densely strigoso-hirsute, densely, prominently glandular; inner phyllaries (4–)5–6 mm. |
2n | = 18. |
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Erigeron foliosus var. foliosus |
Erigeron foliosus var. franciscensis |
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Phenology | Flowering May–Aug(–Sep). | Flowering May–Oct. |
Habitat | Dry, open, rocky or grassy slopes, chaparral, oak to pine or pine-fir woodlands | Grassy dunes, chaparral, oak woodlands |
Elevation | (50–)300–2300(–2900) m ((200–)1000–7500(–9500) ft) | 0–800 m (0–2600 ft) |
Distribution |
CA; Mexico (Baja California) |
CA |
Source | FNA vol. 20, p. 312. | FNA vol. 20, p. 312. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | E. foliosus var. stenophyllus, E. tenuissimus | |
Name authority | unknown | G. L. Nesom: Phytologia 72: 185. (1992) |
Web links |