Tiarella trifoliata var. unifoliata

(Hooker) Kurtz

Bot. Jahrb. Syst. 19: 378. 1894,.

Endemic
Basionym: Tiarella unifoliata Hooker Fl. Bor.-Amer. 1: 238, plate 81. 1832
Synonyms: Tiarella trifoliata subsp. unifoliata (Hooker) P. M. Kern
Treatment appears in FNA Volume 8. Treatment on page 116.

Basal leaves usually simple; blade 2–9 × 3–10 cm; leaflets sessile, deeply to shallowly lobed. Cauline leaves rarely 3-foliolate; blade 2 × 3 cm; leaflet lobes ca. 1/2 length of leaflet, distal segments laciniate. 2n = 14.


Phenology: Flowering Jun–Sep.
Habitat: Moist, dense woods
Elevation: 300-1900 m

Distribution

V8 230-distribution-map.gif

Alta., B.C., Alaska, Calif., Idaho, Mont., Oreg., Wash.

Discussion

Variety unifoliata is relatively uniform throughout its range. Locally in Alberta, it grades into a more deeply lobed leaf form.

Selected References

None.

Lower Taxa

None.

"/2lengthofleaflet" is not declared as a valid unit of measurement for this property."full" is not a number.

1.5-2 times longer than adaxial carpel +
stipitate-glandular +
stipitate-glandular +
epigynous +, perigynous +  and hypogynous +
Suneeti Jog +
(Hooker) Kurtz +
cordate +
Tiarella unifoliata +
2 cm20 mm <br />0.02 m <br /> (2 cm20 mm <br />0.02 m <br />) +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
lobed +, ovate +  and cordate +
3 cm30 mm <br />0.03 m <br /> (?) +, 3 cm30 mm <br />0.03 m <br /> (?) +  and 10 cm100 mm <br />0.1 m <br /> (?) +
3-carpellate +  and 2-carpellate +
unequal +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Alta. +, B.C. +, Alaska +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
300-1900 m +
unisexual +  and bisexual +
glandular-stipitate +  and leafless +
10 cm100 mm <br />0.1 m <br /> (70 cm700 mm <br />0.7 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Moist, dense woods +
pinkish +  and white +
free +  and adnate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
bracteate +  and 15-70-flowered +
3-foliolate +  and simple +
opposite +  and alternate +
crenate +  and dentate +
crassinucellate +, unitegmic +  and bitegmic +
bracteate +  and 15-70-flowered +
epigynous +, perigynous +  and hypogynous +
pinkish +  and purplish +
distinct +
unlobed +  and lobed +
peltate +  and jointed +
long-stipitate-glandular +
Flowering Jun–Sep. +
unequal +
Bot. Jahrb. Syst. +
bracteate +  and 15-70-flowered +
spiny +  and ribbed +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ovoid +  and ellipsoid +
pinkish +  and whitish +
distinct +
unbranched +  and branched +
persistent +
horizontal +  and erect +
connate +  and distinct +
Tiarella trifoliata subsp. unifoliata +
Tiarella trifoliata var. unifoliata +
Tiarella trifoliata +
variety +
stoloniferous +  and rhizomatous +
annual +, biennial +  and perennial +