Epidendrum rigidum

Jacquin

Enum. Syst. Pl., 29. 1760.

Common names: Rigid epidendrum
Synonyms: Spathiger rigidus (Jacquin) Small
Treatment appears in FNA Volume 26. Treatment on page 612. Mentioned on page 609.

Plants creeping, to 40 cm. Roots from nodes along creeping rhizome, 1–2 mm diam. Stems 2 cm apart, ascending, compressed, to 20 cm. Leaves 2–7, near apex of stem; petiole 15–26 mm, compressed; blade elliptic, 3–8 × 0.8–1.5 cm, leathery, apex obtuse. Inflorescences distichous-elongate, usually erect, rarely arching, sinuous, 5–15 cm; peduncle 1–3 cm. Flowers 3–10, with underside of lip always facing rachis, not resupinate, somewhat successive, green; sepals ovate, 5 × 2.5 mm, apex acute to obtuse; petals linear, 5 × 1 mm; lip ovate to nearly quadrangular, 3 × 3 mm, apex obtuse to rounded, 2-callose; column 3 mm; clinandrium hood denticulate; anther ovoid, with low keel in front; ovary 10–11 mm, covered by prominent, conduplicate bracts often somewhat longer than ovary. Capsules ovoid; pedicel 1–2 mm; body 10–12 × 7–9 mm; beak 3–4 mm.


Phenology: Flowering Sep–Dec; fruiting spring.
Habitat: Growing on trees in swamps [common in lowlands]
Elevation: 0–30 m

Distribution

V26 1249-distribution-map.jpg

Fla., West Indies, Bermuda, South America

Discussion

Epidendrum rigidum is the most widespread and common epidendrum in the tropical regions of the Western Hemisphere. In Mexico and Central America it is replaced by a closely related species, E. cardiophorum Schlechter.

Selected References

None.

Lower Taxa

None.
... more about "Epidendrum rigidum"
self-pollination +
Obtuse (?) +  and Rounded (?) +
Eric Hágsater +
Jacquin +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 0.4 cm4 mm <br />0.004 m <br /> (?) +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
ovate +  and elliptic or lanceolate +
0.8cm;1.5cm +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
Rigid epidendrum +
Fla. +, West Indies +, Bermuda +  and South America +
0–30 m +
not +  and pedicellate +
arranged +  and not distichous +
not resupinate +
ellipsoid;subglobose +
Growing on trees in swamps [common in lowlands] +
racemose +  and nearly corymbose or distichous +
arching +  and erect +
lateral +  and terminal +
distichous-elongate +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
petiolate +, sessile +  and simple +
cauline +  and basal +
2 (?) +  and 7 (?) +
reduced +
3 cm30 mm <br />0.03 m <br /> (?) +
ovate +  and nearly quadrangular +
larger +
3 cm30 mm <br />0.03 m <br /> (?) +
differing in form and color +
often somewhat longer +
1 cm10 mm <br />0.01 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
5 cm50 mm <br />0.05 m <br /> (?) +
1 cm10 mm <br />0.01 m <br /> (?) +
compressed +
1.5 cm15 mm <br />0.015 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
Flowering Sep–Dec +  and fruiting spring. +
compressed +  and obovoid +
Enum. Syst. Pl., +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
aerial +  and subterranean +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
2.5 cm25 mm <br />0.025 m <br /> (?) +
branching +  and simple +
proliferous +
compressed +
thickened +  and stout +
0 cm0 mm <br />0 m <br /> (20 cm200 mm <br />0.2 m <br />) +
concave +  and convex +
Spathiger rigidus +
Epidendrum rigidum +
Epidendrum +
species +
annual +  and perennial +
lithophytic +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +