Leptarrhena pyrolifolia

(D. Don) R. Brown ex Seringe in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 4: 48. 1830 ,.

Common names: Leatherleaf saxifrage
IllustratedEndemic
Basionym: Saxifraga pyrolifolia D. Don Trans. Linn. Soc. London 13: 389. 1822
Treatment appears in FNA Volume 8. Treatment on page 132.
Revision as of 11:59, 30 July 2020 by imported>Volume Importer
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Leaf-blades dull, pale green abaxially, shiny, dark green adaxially, leathery, basal blade (1–) 2.5–9.5 × (0.4–) 1–4.5 cm. Inflorescences pedunculate, 1–12 cm, glandular to stipitate-glandular, proximal branches sometimes remote, especially in fruit; bracts sometimes subtending pedicels, scalelike. Flowers: hypanthium shallowly campanulate, 0.3–0.6 × 1.2–1.8 mm, glandular to stipitate-glandular; sepals triangular to ovate, 0.8–1.5 × 0.7–1.1 mm, margins entire, apex rounded or retuse, glabrous or sparsely stipitate-glandular; petals narrowly spatulate or oblanceolate, 1–2.2 × 0.4–0.7 mm, margins entire; stamens exserted; filaments 0.8–1.5 mm; anthers 1-locular, round to transversely elliptic, 0.1–0.2 × 0.2–0.3 mm, dehiscent by broad, terminal openings; pistils 2–3 × 1–1.8 mm; styles slightly spreading, cylindric. Capsules erect, green, red, or purple, narrowly ovoid, tips divergent, 6–9 mm. Seeds 80–120, 3.2–4.8 × 0.4–0.6 mm, ends tapered. 2n = 14.


Phenology: Flowering Jun–Sep.
Habitat: Wet meadows, stream banks, bogs, seepage areas, wet cliffs and talus slopes, heathlands
Elevation: 0-2300 m

Distribution

V8 262-distribution-map.gif

Alta., B.C., N.W.T., Yukon, Alaska, Idaho, Mont., Oreg., Wash.

Discussion

The Aleuts of Alaska use an infusion of Leptarrhena pyrolifolia leaves to treat influenza, and the Thompson Indians of British Columbia apply a poultice of chewed leaves to wounds (D. E. Moerman 1998).

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Leptarrhena pyrolifolia"
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 />) +
round +  and transversely elliptic +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
stipitate-glandular +  and glabrous +
retuse +  and rounded +
Craig C. Freeman +  and Richard K. Rabeler +
(D. Don) R. Brown ex Seringe in A. P. de Candolle and A. L. P. P. de Candolle +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
tapered +
Saxifraga pyrolifolia +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
unlobed +, obovate +  and elliptic +
scale-like +
2-beaked +  and folliclelike +
purple;red;purple;red;green +
3-carpellate +  and 2-carpellate +
Leatherleaf saxifrage +
Alta. +, B.C. +, N.W.T. +, Yukon +, Alaska +, Idaho +, Mont. +, Oreg. +  and Wash. +
0-2300 m +
tapered +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (?) +  and 0.15 cm1.5 mm <br />0.0015 m <br /> (?) +
unisexual +  and bisexual +
35 cm350 mm <br />0.35 m <br /> (48 cm480 mm <br />0.48 m <br />) +
15 cm150 mm <br />0.15 m <br /> (35 cm350 mm <br />0.35 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Wet meadows, stream banks, bogs, seepage areas, wet cliffs and talus slopes, heathlands +
multicellular +
0.3mm;0.6mm +
glandular +  and stipitate-glandular +
campanulate +
1.2mm;1.8mm +
glandular;stipitate-glandular +
1 cm10 mm <br />0.01 m <br /> (12 cm120 mm <br />0.12 m <br />) +
dark green +  and pale green +
shiny +  and dull +
opposite +  and alternate +
1/4 +  and 1/2 +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
distinct +
1mm +  and 2.2mm +
oblanceolate +  and spatulate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
peltate +  and jointed +
Flowering Jun–Sep. +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
unequal +
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
purplish +  and green +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
tan +  and yellowish-brown +
straight +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
fusiform +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
distinct +
triangular +  and ovate +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
Illustrated +  and Endemic +
unbranched +  and branched +
persistent +
horizontal +  and erect +
inconspicuous +
connate +  and distinct +
cylindric +
glandular +  and glabrous +
Leptarrhena pyrolifolia +
Leptarrhena +
species +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
entire +  and crenate-serrate +
not stoloniferous +  and rhizomatous +
annual +, biennial +  and perennial +