Malaxis monophyllos var. monophyllos

Common names: Eurasian white adder’s-mouth
Synonyms: Malaxis diphyllos Chamisso Malaxis monophyllos var. diphyllos
Treatment appears in FNA Volume 26. Treatment on page 629. Mentioned on page 496, 627.

Plants 3–25 cm. Pseudobulbs 4–10 mm diam. Leaves 1–2 (–3), subopposite, yellow-green, oblongelliptic, base sheathing stem, apex acute; blade 2–10 × 0.5–4.1 cm. Inflorescences: floral bracts lanceolate, 1–4 mm; pedicels 2.5–4.5 mm. Flowers not resupinate, green, yellowish green, or yellow; dorsal sepal slightly reflexed, ovatelanceolate, 2.5–2.8 × 0.9–1.4 mm, margins revolute, apex acuminate; lateral sepals slightly reflexed, lanceolate, 1.5–2.5 × 0.9–1.4 mm, apex acuminate; petals strongly reflexed, filiform to narrowly linear, 1.8–2.2 × 0.3–0.4 mm, apex rounded; lip ovate, concave, 3-lobed, middle lobe ovate, 1.5–2.5 × 1–2 mm, apex acuminate, lateral lobes basal, curved up on either side of middle lobe, narrow, short; column greenish yellow to yellow, 0.5–0.8 × 0.5–0.8 mm. 2n = 30 (Eurasia).


Phenology: Flowering summer.
Habitat: Moist or dry slopes or banks, shaded or open, bogs and conifer woods
Elevation: 0–400 m

Distribution

V26 1286-distribution-map.jpg

B.C. (Queen Charlotte Islands), Alaska, Eurasia

Discussion

Selected References

None.

Lower Taxa

None.
self-pollination +
acuminate +, rounded +  and acute +
Paul M. Catling +  and Lawrence K. Magrath +
(Linnaeus) Swartz +
truncate +  and auriculate +
Ophrys monophyllos +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
lanceolate +, ovate +  and elliptic +
0.5 cm5 mm <br />0.005 m <br /> (4.1 cm41 mm <br />0.041 m <br />) +
5 cm50 mm <br />0.05 m <br /> (?) +
ellipsoid +
3 cm30 mm <br />0.03 m <br /> (?) +
greenish yellow +  and yellow +
0.5mm +  and 0.8mm +
0.5mm +  and 0.8mm +
Eurasian white adder’s-mouth +
B.C. (Queen Charlotte Islands) +, Alaska +  and Eurasia +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
0–400 m +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile or +  and minutely strongly pedicellate +
yellow +, yellowish green +  and green +
not resupinate +
Moist or dry slopes or banks, shaded or open, bogs and conifer woods +
lateral +  and terminal +
1 cm10 mm <br />0.01 m <br /> (12 cm120 mm <br />0.12 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
petiolate +, sessile +  and simple +
subopposite +
yellow-green +
cauline +  and basal +
1 (?) +  and 2 (?) +
oblongelliptic +
reduced +
proximal +  and middle +
3-lobed +, concave +  and ovate +
larger +
forward-directed +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
1.8mm;2.2mm +
filiform;narrowly linear +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Flowering summer. +
2 +, 1 +  and 4 +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Kongl. Vetensk. Acad. Nya Handl. +
aerial +  and subterranean +
0.3mm +  and 1mm +
minute +
distinct +
lanceolate +  and ovatelanceolate +
foliaceous +
not +  and alike +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
globose +  and swollen +
thickened +  and stout +
concave +  and convex +
Malaxis diphyllos +  and Malaxis monophyllos var. diphyllos +
Malaxis monophyllos var. monophyllos +
Malaxis monophyllos +
variety +
orange +  and yellow +
25 cm250 mm <br />0.25 m <br /> (30 cm300 mm <br />0.3 m <br />) +
annual +  and perennial +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +
22 +, 21 +, 20 +, 18 +, 15 +  and 14 +