Mitella breweri

A. Gray

Proc. Amer. Acad. Arts 6: 533. 1865 ,.

Common names: Brewer’s mitrewort
Endemic
Synonyms: Pectiantia breweri (A. Gray) Rydberg
Treatment appears in FNA Volume 8. Treatment on page 112. Mentioned on page 109, 110.

Plants not stoloniferous. Flowering-stems 8–25 (–40) cm. Leaves: petiole 1.5–7.5 (–12) cm, subglabrous or short-stipitate-glandular and sparsely long-stipitate-glandular, longer hairs spreading, reddish-brown; blade broadly cordate to reniform, usually shorter than, sometimes ± as long as wide, 1.5–7.9 × 1.5–11 cm, margins shallowly 7-lobed, 9-lobed, or 11-lobed, singly or doubly crenate-dentate, glabrous or irregularly ciliate, apex of terminal lobe rounded, surfaces glabrous or sparsely short-stipitate-glandular and sparsely long-stipitate-glandular; cauline leaves absent. Inflorescences 1–2, densely (6–) 20–40 (–60) -flowered, 1–2 (–3) flowers per node, not secund, 8–25 (–40) cm, glabrous or sparsely arachnoid-pilose proximally, glandular-puberulent distally. Pedicels 1–2 mm, short-stipitate-glandular. Flowers: hypanthium broadly saucer-shaped, 0.8–1.6 × 2.5–3.5 mm; sepals spreading, yellowish green or greenish, triangular to broadly triangular, 0.7–1 × 0.9–1.9 mm; petals greenish yellow or greenish, (4–) 7–11-lobed, 1.5–2 mm, lobes linear, lateral lobes spreading; stamens 5, opposite sepals; filaments white or greenish, 0.1–0.2 mm; anthers 0.1–0.2 × 0.2–0.5 mm; ovary nearly completely inferior; styles divergent, flattened, 0.1–0.2 mm; stigmas 2-lobed. Seeds dark reddish-brown or blackish, 0.8–1.2 mm, pitted. 2n = 14.


Phenology: Flowering May–Sep.
Habitat: Moist forests, glades, stream banks, meadows, open to wooded mountain slopes
Elevation: 500-3500 m

Distribution

V8 220-distribution-map.gif

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

Discussion

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Mitella breweri"
epigynous +, perigynous +  and hypogynous +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
rounded +, obtuse +  and acute +
Douglas E. Soltis +  and Craig C. Freeman +
A. Gray +
cordate +  and truncate +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
long-stipitate-glandular +, short-stipitate-glandular +  and glabrous +
broadly cordate +  and reniform +
3-carpellate +  and 2-carpellate +
opposite +  and alternate +
Brewer’s mitrewort +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Alta. +, B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +  and Wash. +
500-3500 m +
greenish +  and white +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (?) +  and 0.02 cm0.2 mm <br />2.0e-4 m <br /> (?) +
25 cm250 mm <br />0.25 m <br /> (40 cm400 mm <br />0.4 m <br />) +
glandular-puberulent +, arachnoid-pilose +  and glabrous +
unisexual +  and bisexual +
8 cm80 mm <br />0.08 m <br /> (25 cm250 mm <br />0.25 m <br />) +
leafless +  and leafy +
25 cm250 mm <br />0.25 m <br /> (40 cm400 mm <br />0.4 m <br />) +
8 cm80 mm <br />0.08 m <br /> (25 cm250 mm <br />0.25 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Moist forests, glades, stream banks, meadows, open to wooded mountain slopes +
multicellular +
greenish yellow +, greenish white +  and green +
0.8mm;1.6mm +
saucer--shaped +
2.5mm;3.5mm +
(6-)20-40(-60)-flowered +
opposite +  and alternate +
crenate +  and dentate +
0 cm0 mm <br />0 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
crassinucellate +, unitegmic +  and bitegmic +
short-stipitate-glandular +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
epigynous +, perigynous +  and hypogynous +
greenish +  and greenish yellow +
distinct +
(4-)7-11-lobed +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
peltate +  and jointed +
7.5 cm75 mm <br />0.075 m <br /> (12 cm120 mm <br />0.12 m <br />) +
long-stipitate-glandular +, short-stipitate-glandular +  and subglabrous +
1.5 cm15 mm <br />0.015 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
Flowering May–Sep. +
unequal +
Proc. Amer. Acad. Arts +
spiny +  and ribbed +
blackish +  and dark reddish-brown +
straight +
ellipsoid +  and ovoid +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
greenish +  and yellowish green +
distinct +
triangular +  and broadly triangular +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
list +  and count +
unbranched +  and branched +
persistent +
horizontal +  and erect +
connate +  and distinct +
flattened +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
subglabrous +  and variously stipitate-glandular +
Pectiantia breweri +
Mitella breweri +
species +
annual +, biennial +  and perennial +