Malaxis paludosa

(Linnaeus) Swartz

Kongl. Vetensk. Acad. Nya Handl. 21: 235. 1800.

Common names: Bog adder’s-mouth
Illustrated
Basionym: Ophrys paludosa Linnaeus Sp. Pl. 2: 947. 1753
Synonyms: Epipactis paludosa (Linnaeus) F. W. Schmidt Hammarbya paludosa (Linnaeus) Kuntz Sturmia paludosa (Linnaeus) Reichenbach
Treatment appears in FNA Volume 26. Treatment on page 628. Mentioned on page 627.

Plants 3–23 cm. Roots fine. Pseudobulbs 4–8 mm diam. Leaves 2–3, basal; blade elliptic or narrowly elliptic, 0.3–3.5 × 0.1–1.5 cm. Inflorescences spicate racemes, 0.5–9 cm; floral bracts lanceolate, 1.4–3.3 mm; pedicels 2–3 mm. Flowers 2–55, not resupinate, green or yellowish green; dorsal sepal ovatelanceolate, (1.6–) 2–2.5 × 1–1.6 mm, apex acuminate; lateral sepals reflexed, elliptic, falcate, (1.6–) 2.5 × 1–1.6 mm, apex acuminate; petals strongly recurved, ovatelanceolate, 1.4–1.9 × 0.5–1 mm, apex acuminate; lip ovate with dark green veins, 1.2–1.8 × 0.7– 1 mm, base cuneate, apex unlobed, acuminate; column (0.3–) 0.5–0.7 × (0.3–) 0.5–0.7 mm; pollinia yellow. Capsules ascending, ellipsoid, 4 × 2 mm. 2n = 28.


Phenology: Flowering summer.
Habitat: Open sphagnum bogs, swampy woods
Elevation: 10–300 m

Distribution

Alta., B.C., Man., N.W.T., Ont., Sask., Yukon, Alaska, Minn., Eurasia

Discussion

Malaxis paludosa sometimes reproduces asexually by production of gemmae on the leaf tips (R. L. Taylor 1967).

Selected References

None.

Lower Taxa

None.
... more about "Malaxis paludosa"
self-pollination +
acuminate +  and unlobed +
Paul M. Catling +  and Lawrence K. Magrath +
(Linnaeus) Swartz +
cuneate +
Ophrys paludosa +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
0.3 cm3 mm <br />0.003 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
lanceolate +, ovate +  and elliptic +
0.1 cm1 mm <br />0.001 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
4 cm40 mm <br />0.04 m <br /> (?) +
ellipsoid +
2 cm20 mm <br />0.02 m <br /> (?) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.5mm +  and 0.7mm +
0.5mm +  and 0.7mm +
Bog adder’s-mouth +
Alta. +, B.C. +, Man. +, N.W.T. +, Ont. +, Sask. +, Yukon +, Alaska +, Minn. +  and Eurasia +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
10–300 m +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
sessile or +  and minutely strongly pedicellate +
yellowish green +  and green +
not resupinate +
Open sphagnum bogs, swampy woods +
lateral +  and terminal +
0.5 cm5 mm <br />0.005 m <br /> (9 cm90 mm <br />0.09 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (?) +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
cauline +  and basal +
2 (?) +  and 3 (?) +
reduced +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
proximal +  and middle +
larger +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
not +  and revolute +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1.4mm;1.9mm +
ovatelanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Flowering summer. +
2 +, 1 +  and 4 +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Kongl. Vetensk. Acad. Nya Handl. +
aerial +  and subterranean +
minute +
distinct +
foliaceous +
not +  and alike +
Illustrated +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
globose +  and swollen +
thickened +  and stout +
concave +  and convex +
Epipactis paludosa +, Hammarbya paludosa +  and Sturmia paludosa +
Malaxis paludosa +
species +
dark green +
orange +  and yellow +
annual +  and perennial +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +
22 +, 21 +, 20 +, 18 +, 15 +  and 14 +