Erigeron blochmaniae

Greene

Pittonia 3: 25. 1896.

Common names: Blochman’s fleabane
EndemicConservation concern
Synonyms: Erigeron foliosus var. blochmaniae (Greene) H. M. Hall
Treatment appears in FNA Volume 20. Treatment on page 311. Mentioned on page 270.

Perennials, 4–8 cm, taprooted, caudices woody, branches ascending, sometimes rhizomelike. Stems ascending-erect, densely and closely puberulous to villosulous (hairs stiffly crisped, minute), eglandular. Leaves cauline; blades linear to narrowly oblanceolate, 15–30 × 1–3 mm, usually even-sized, margins entire, densely and closely puberulous to villosulous, eglandular. Heads 1 or 2–5 in loosely corymbiform arrays. Involucres 4.5–6 × 9–14 mm. Phyllaries in 3–5 series (with broad, orange middle area and thick, white margins), densely canescent-hirsutulous (hairs crinkly), densely minutely glandular. Ray florets 45–72; corollas white to bluish, ca. 8–11 mm, laminae not coiling or reflexing. Disc corollas 4.6–5 mm (throats slightly indurate, not inflated). Cypselae 2.2–2.8 mm, 2-nerved, faces glabrous; pappi: outer of setae, inner of 21–36 bristles. 2n = 18.


Phenology: Flowering Jul–Oct.
Habitat: Sand dunes and hills
Elevation: 0–50 m

Discussion

Of conservation concern.

Erigeron blochmaniae is recognized by its puberulous stems, relatively large heads, distinctive phyllaries, and glabrous cypselae.

Selected References

None.

Lower Taxa

None.