Raillardella pringlei

Greene

Bull. Torrey Bot. Club 9: 17. 1882.

EndemicConservation concern
Treatment appears in FNA Volume 21. Treatment on page 257. Mentioned on page 296.

Plants 25–50+ cm. Leaf-blades lanceolate or oblanceolate to linear, margins entire or toothed, faces glabrous or ± stipitate-glandular (distal). Ray-florets 6–13; corollas orange to red-orange, laminae 6–20+ mm. Disc-florets 45–80+; corollas orange to red-orange, 8–11.5 mm. 2n = 34.


Phenology: Flowering Jul–Oct.
Habitat: Meadows, stream banks, seeps
Elevation: 1200–2300 m

Discussion

Of conservation concern.

Raillardella pringlei occurs on serpentine-derived soils in the Klamath Ranges.

Selected References

None.

Lower Taxa

None.
... more about "Raillardella pringlei"
not tailed +, rounded +  and obtuse +
pale +  and dark +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
umbelliform +, spiciform +, paniculiform +, glomerulate +  and corymbiform +
indeterminate +  and determinate +
Bruce G. Baldwin +  and John L. Strother +
Greene +
decurrent +
Railliardia sect. Raillardella +
compound +  and simple +
linear to linear-elliptic +
oblanceolate;linear +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
orange +  and red-orange +
0.8 cm8 mm <br />0.008 m <br /> (1.15 cm11.5 mm <br />0.0115 m <br />) +
hairy +  and glabrous +
fusiform +, clavate +, obpyramidal +, terete +, compressed +  and obcompressed +
fertile +  and bisexual +
clavate +  and terete +
fertile +  and bisexual +
1200–2300 m +
stipitate-glandular +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Meadows, stream banks, seeps +
discoid +  and radiate +
rarely +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
campanulate;cylindric +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
deltate +
toothed +  and entire +
2-carpellate +
persistent +
ciliate +  and plumose +
Flowering Jul–Oct. +
1 +  and 13 +
Bull. Torrey Bot. Club +
clavate +  and terete +
setulose +  and glabrous +
convex;flat +
8 +  and 30 +
ciliate +  and plumose +
exalbuminous +
Endemic +  and Conservation concern +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Raillardella pringlei +
Raillardella +
species +
cylindric +
toothed +  and entire +
1 cm10 mm <br />0.01 m <br /> (50 cm500 mm <br />0.5 m <br />) +