Bensoniella oregona

(Abrams & Bacigalupi) C. V. Morton

Leafl. W. Bot. 10: 181. 1965,.

IllustratedEndemic
Basionym: Bensonia oregona Abrams & Bacigalupi Contr. Dudley Herb. 1: 95, plate 5, fig. 1. 1929
Treatment appears in FNA Volume 8. Treatment on page 84.

Leaves: petiole 2–15 cm; blade 2–5 cm. Racemes scapose, 20–40 cm, sparsely glandular-stipitate proximally, more densely glandular-stipitate distally. Flowers: hypanthium campanulate, 2–4 mm, short-stipitate-glandular; sepals erect, oblong, 1.5–2.5 mm, apex rounded, short-stipitate-glandular marginally; petals linear, threadlike, sometimes coiled, unlobed, 1.5–2 mm; stamens 3 mm, exserted 2 mm; styles 2–3 mm, exserted 2 mm. Capsules globose, (1.8–) 2–2.7 mm. Seeds 40–50, 0.8–0.9 mm. 2n = 14.


Phenology: Flowering May–Aug.
Habitat: Wet meadows, bogs, shady fir forests
Elevation: 1000-1600 m

Discussion

Bensoniella oregona is found in the mountains from Humboldt County, California, to Douglas County, Oregon.

Selected References

None.

Lower Taxa

None.
... more about "Bensoniella oregona"
epigynous +, perigynous +  and hypogynous +
short-stipitate-glandular +
Elizabeth Fortson Wells +  and Patrick E. Elvander† +
(Abrams & Bacigalupi) C. V. Morton +
gibbous +  and cordate +
Bensonia oregona +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
5-9-lobed +, orbiculate +  and cordate +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
3-carpellate +  and 2-carpellate +
slender +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Calif. +  and Oreg. +
1000-1600 m +
unisexual +  and bisexual +
19 cm190 mm <br />0.19 m <br /> (45 cm450 mm <br />0.45 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Wet meadows, bogs, shady fir forests +
multicellular +
yellowish white +  and green +
free +  and adnate +
short-stipitate-glandular +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
ebracteate +  and 15-30-flowered +
opposite +  and alternate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
distinct +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
peltate +  and jointed +
long-stipitate-glandular +
2 cm20 mm <br />0.02 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering May–Aug. +
unequal +
Leafl. W. Bot. +
glandular-stipitate +  and scapose +
spikelike +
20 cm200 mm <br />0.2 m <br /> (40 cm400 mm <br />0.4 m <br />) +
spiny +  and ribbed +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
oblong +  and ellipsoid +
yellowish white +  and green +
distinct +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Illustrated +  and Endemic +
unbranched +  and branched +
persistent +
horizontal +  and erect +
connate +  and distinct +
2 cm20 mm <br />0.02 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
long-stipitate-glandular +
Bensoniella oregona +
Bensoniella +
species +
not stoloniferous +  and not rhizomatous +
annual +, biennial +  and perennial +