Leaves 2-pinnatifid, 2–12 × 1–5 cm, lobes 4–10 (linear-lanceolate to ovate-obovate, mostly 1–10 mm wide). Ray corollas mostly yellow to purplish yellow. Cypselae pectinate-fimbriate (both margins). 2n = 28.


Phenology: Flowering Mar–Nov.
Habitat: Sandy sites
Elevation: 0–300 m

Distribution

V21-137-distribution-map.gif

La., Tex., Mexico (Tamaulipas)

Discussion

Variety peduncularis has been reported to hybridize with Ratibida columnifera (S. W. Jackson 1963).

Selected References

None.

Lower Taxa

None.

pectinate-fimbriate +  and fimbriate +
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Lowell E. Urbatsch +  and Patricia B. Cox +
(Torrey & A. Gray) Barnhart +
decurrent +
Lepachys peduncularis +
compound +  and simple +
lanceolate;ovate or oblanceolate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
purplish +, greenish yellow +, bicolor +, maroon +, purplish yellow +  and yellow +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
hairy +  and glabrous +
pectinate-fimbriate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
1.5 cm15 mm <br />0.015 m <br /> (7 cm70 mm <br />0.07 m <br />) +
columnar +
8mm;13mm +
La. +, Tex. +  and Mexico (Tamaulipas) +
0–300 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Sandy sites +
in loose , corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
1mm +  and 5mm +
0.8mm +  and 1.5mm +
0.8 cm8 mm <br />0.008 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
mostly ovate +  and elliptic +
4mm;12mm +
2cm;12cm +
cauline +  and basal +
2-pinnatifid +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
narrowly linear-lanceolate +  and narrowly ovate +
0.8mm +  and 4.5mm +
dentate to pinnatifid or palmatifid +  and entire +
pectinate-fimbriate +  and ciliate +
6mm +  and 12mm +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
2-carpellate +
3mm +  and 4.3mm +
1.5mm;3mm +
persistent +
coroniform +
14 cm140 mm <br />0.14 m <br /> (45 cm450 mm <br />0.45 m <br />) +
Flowering Mar–Nov. +
7 +  and 14 +
Bull. Torrey Bot. Club +
mostly yellow +  and purplish yellow +
bearing subulate enations +, hairy +  and bristly +
subspheric;columnar +
2 +  and 8 +
exalbuminous +
1 +  and 12 +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Ratibida peduncularis var. peduncularis +
Ratibida peduncularis +
variety +
cylindric +
toothed +  and serrate +
0 cm0 mm <br />0 m <br /> (115 cm1,150 mm <br />1.15 m <br />) +
tree +, shrub +  and subshrub +