Erigeron klamathensis

(G. L. Nesom) G. L. Nesom

Sida 21: 20. 2004.

Common names: Klamath fleabane
Endemic
Basionym: Erigeron breweri var. klamathensis G. L. Nesom Phytologia 72: 174. 1992
Treatment appears in FNA Volume 20. Treatment on page 311. Mentioned on page 270.

Perennials, 6–15 (–20) cm; taprooted, caudices or roots relatively thick, sometimes branched, woody, often producing slender, lignescent offsets. Stems ascending-erect, hispidulous to piloso-hirsute (hairs straight, spreading, 0.2–1 mm), eglandular. Leaves cauline; (ascending) blades narrowly oblong-lanceolate to narrowly obovate, 20–40 × 2–5 mm, relatively evenly spaced and sized, margins entire, faces piloso-hirsute, eglandular. Heads 1–5. Involucres (3–) 3.5–4.5 (–5) × 7–10 mm. Phyllaries in 2–3 (–4) series (inner: margins white, broad, thickened, without green apical area), sparsely hairy or glabrous, densely minutely glandular. Ray-florets 22–40; corollas lavender to purple, 8–10 mm, laminae weakly coiling. Disc corollas (3.5–) 4–5 mm. Cypselae 1.8–2.5 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 18–23 bristles.


Phenology: Flowering Jun–Sep.
Habitat: Outcrops, ridges, crevices, rocky slopes, over shale, granite, serpentine, peridotite, chaparral, oak-pine, fir-oak, mixed evergreen woodlands
Elevation: (400–)700–2200 m

Discussion

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Erigeron klamathensis"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +, corymbiform +  and loose +
indeterminate +  and determinate +
Guy L. Nesom +
(G. L. Nesom) G. L. Nesom +
decurrent +
Erigeron breweri var. klamathensis +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
narrowly oblong-lanceolate;narrowly obovate +
2mm;5mm +
rugulose +  and muricate +
branched +  and taprooted +
Klamath fleabane +
not 2-lipped +  and actinomorphic +
lavender +  and purple +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
fertile +  and bisexual +
Calif. +  and Oreg. +
(400–)700–2200 m +
strigose +  and piloso-hirsute +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Outcrops, ridges, crevices, rocky slopes, over shale, granite, serpentine, peridotite, chaparral, oak-pine, fir-oak, mixed evergreen woodlands +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
turbinate;hemispheric +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
petiolate +  and sessile +
erect;spreading +
deltate +
Not (?) +  and Scarious (?) +
slender +
lignescent +
2-carpellate +
Flowering Jun–Sep. +
3-nerved +  and 1-nerved +
glabrous +  and hairy +
narrowly elliptic +  and linear-lanceolate +
bearing subulate enations +, hairy +  and bristly +
branched +  and taprooted +
exalbuminous +
prostrate +  and decumbent +
ascending-erect +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron klamathensis +
Erigeron +
species +
inflated +  and tubular +
15 cm150 mm <br />0.15 m <br /> (20 cm200 mm <br />0.2 m <br />) +
6 cm60 mm <br />0.06 m <br /> (15 cm150 mm <br />0.15 m <br />) +
tree +, shrub +  and subshrub +