Malaxis bayardii

Fernald

Rhodora 38: 402, fig. 1.

,

plate 446, figs. 1, 2. 1936.

Common names: Bayard’s malaxis
EndemicConservation concern
Treatment appears in FNA Volume 26. Treatment on page 630. Mentioned on page 627.
Revision as of 04:30, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Plants 9.3–25.6 cm. Pseudobulbs 5–20 mm diam. Leaves 1 (–2, rarely), near middle of stem; blade bright green, glossy, narrowly to broadly ovate, keeled abaxially, 1.7–3.8 (–7) × 0.7–3.5 (–4.3) cm, apex acute. Inflorescences racemes, 1–12 cm; floral bracts triangular, 0.9–1.6 mm; pedicels (3.8–) 5–10 (–13) mm. Flowers 10–70, resupinate, green or yellowish green; dorsal sepal oblongelliptic, 1.4–2 × 0.6–1 mm, apex acuminate; lateral sepals oblongelliptic, 1.4–2 × 0.6–1 mm, apex acuminate; petals linear, slightly falcate, 1–1.8 × 0.1–0.2 mm; lip rhombic-deltate to cordate-ovate or oblongelliptic, 1.8–2.5 × 1.9–2.5 mm, base with auricles 0.6 or more times as long as distance from base of lip to apex of middle lobe, apex 3-dentate; column 0.5–0.7 × 0.5–0.7 mm; pollinia yellow. Capsules spreading to slightly drooping, subglobose to ovoid, 6 × 3 mm.


Phenology: Flowering summer.
Habitat: Dry, open woods, shale barrens and sandy pine barrens
Elevation: 10–600 m

Distribution

V26 1289-distribution-map.jpg

N.S., Conn., Mass., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Vt., Va., W.Va.

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Malaxis bayardii"
self-pollination +
acuminate +  and acute +
Paul M. Catling +  and Lawrence K. Magrath +
Fernald +
truncate +  and auriculate +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
3.8 cm38 mm <br />0.038 m <br /> (7 cm70 mm <br />0.07 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (4.3 cm43 mm <br />0.043 m <br />) +
bright green +
1.7 cm17 mm <br />0.017 m <br /> (3.8 cm38 mm <br />0.038 m <br />) +
keeled +  and ovate +
0.7 cm7 mm <br />0.007 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
6 cm60 mm <br />0.06 m <br /> (?) +
spreading +  and slightly drooping +
subglobose +  and ovoid +
3 cm30 mm <br />0.03 m <br /> (?) +
0.5mm +  and 0.7mm +
0.5mm +  and 0.7mm +
Bayard’s malaxis +
N.S. +, Conn. +, Mass. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Vt. +, Va. +  and W.Va. +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
10–600 m +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
sessile or +  and minutely strongly pedicellate +
yellowish green +  and green +
Dry, open woods, shale barrens and sandy pine barrens +
lateral +  and terminal +
1 cm10 mm <br />0.01 m <br /> (12 cm120 mm <br />0.12 m <br />) +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
oblongelliptic +
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 +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
proximal +  and middle +
rhombic-deltate +  and cordate-ovate or oblongelliptic +
larger +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
not +  and revolute +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1mm;1.8mm +
recurved +  and spreading +
falcate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
Flowering summer. +
2 +, 1 +  and 4 +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Rhodora +  and plate +
subumbellate +  and spicate +
aerial +  and subterranean +
0.3mm +  and 1mm +
minute +
distinct +
foliaceous +
not +  and alike +
Endemic +  and Conservation concern +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
globose +  and swollen +
thickened +  and stout +
concave +  and convex +
Malaxis bayardii +
species +
orange +  and yellow +
annual +  and perennial +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +
22 +, 21 +, 20 +, 18 +, 15 +  and 14 +