Malaxis abieticola

Salazar & Soto Arenas

Lindleyana 16: 149. 2001.

Common names: Slender-flowered malaxis
Basionym: Malaxis tenuis (S. Watson) Ames 1922
Synonyms: Microstylis tenuis S. Watson
Treatment appears in FNA Volume 26. Treatment on page 631.

Plants 11–25 cm. Pseudobulbs 5–10 mm diam. Leaves 1, usually near middle of stem; blade bright green, glossy, elliptic to broadly ovate, keeled abaxially, 3–8 × 1.4–4.4 cm, base cordate to truncate, apex rounded to obtuse. Inflorescences racemes, 2.6–8 cm; floral bracts triangular, 0.8–1.2 mm, apex acute; pedicels not crowded, 7–11 mm. Flowers 13–63, resupinate, green to greenish yellow; dorsal sepal light geen, lanceolate, 4–6 × 0.9–2 mm, apex acuminate; lateral sepals distinct or sometimes connate to middle, light green edged in dark green, lanceolate, falcate, 4–6 × 0.9–2 mm, apex acuminate; petals filiform to filiform-linear, falcate, 3.5–4.5 × 0.2–0.3 mm, apex rounded; lip triangular-lanceolate, concave abaxially, 3–4.2 × 1.5–2 mm, base slightly cordate, apex long-acuminate to attenuate; disc with 2 broad green, low, longitudinal ridges; column 0.6–0.9 × 0.6–0.9 mm; pollinia orange. Capsules subhorizontal, ellipsoid, 12 × 3 mm.


Phenology: Flowering summer–early fall.
Habitat: In humus of pine and fir forests on dry slopes
Elevation: 2000 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Malaxis abieticola"
self-pollination +
dark green +
4mm;6mm +
long-acuminate +  and attenuate +
0.9mm +  and 2mm +
Paul M. Catling +  and Lawrence K. Magrath +
Salazar & Soto Arenas +
cordate +  and truncate +
Malaxis tenuis +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
bright green +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
keeled +, elliptic +  and broadly ovate +
1.4 cm14 mm <br />0.014 m <br /> (4.4 cm44 mm <br />0.044 m <br />) +
12 cm120 mm <br />0.12 m <br /> (?) +
subhorizontal +
ellipsoid +
3 cm30 mm <br />0.03 m <br /> (?) +
0.6mm +  and 0.9mm +
0.6mm +  and 0.9mm +
Slender-flowered malaxis +
Ariz. +, N.Mex. +  and Mexico +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
2000 m +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
sessile or +  and minutely strongly pedicellate +
green +  and greenish yellow +
In humus of pine and fir forests on dry slopes +
lateral +  and terminal +
2.6 cm26 mm <br />0.026 m <br /> (8 cm80 mm <br />0.08 m <br />) +
connate +  and distinct +
lanceolate +, elliptic +  and ovate +
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 +
reduced +
0.3 cm3 mm <br />0.003 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
proximal +  and middle +
concave +  and triangular-lanceolate +
larger +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
not +  and revolute +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
3.5mm;4.5mm +
recurved +  and spreading +
falcate;filiform;filiform-linear +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
Flowering summer–early fall. +
2 +, 1 +  and 4 +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
subumbellate +  and spicate +
aerial +  and subterranean +
0.3mm +  and 1mm +
minute +
distinct +
foliaceous +
not +  and alike +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
globose +  and swollen +
thickened +  and stout +
concave +  and convex +
Microstylis tenuis +
Malaxis abieticola +
species +
orange +  and yellow +
annual +  and perennial +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +
22 +, 21 +, 20 +, 18 +, 15 +  and 14 +