Epidendrum rigidum Jacq.

Stiff flower star orchid (en)

Species

Angiosperms > Asparagales > Orchidaceae > Epidendrum

Characteristics

Repent epiphytic herbs up to about 35 cm. long. Stems slender, simple, cov-ered with the amplexicaul leaf-sheaths, sometimes appearing ancipitous. Leaves 3-13 cm. long and 0.4-2 cm. broad, linear to lanceolate-oblong or oblong, obtuse, coriaceous, the apex usually unequally bilobed. Inflorescence a strict raceme up to about 15 cm. long, few-to several-flowered; bracts up to about 15 mm. long, ovate, acute or obtuse, semi-equitant or usually the base surrounding the peduncle, usually with a median keel which is decurrent onto the peduncle; flowers usually greenish. Dorsal sepal 5.5-9 mm. long and 2-3 mm. broad, oblong to lanceolate-ovate, obtuse. Lateral sepals 5-9 mm. long and 2-4 mm. broad, ovate-lanceolate to obovate, oblique, obtuse. Petals 5-9 mm. long and 1.2-2 mm. broad, ovate-lanceolate to obovate, oblique, obtuse. Lip unguiculate; claw adnate to the column; lamina 4-6 mm. long and about as broad, cordate-orbicular, obtuse or obscurely retuse, lateral margins revolute; disc fleshy, with 2 mammillate calluses at the apex of the column.
More
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.
Life form perennial
Growth form herb
Growth support epiphyte
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.4
Root system creeping-root rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Epidendrum rigidum habit picture by Rezini Josias Alan (cc-by-sa)

Leaf

Epidendrum rigidum leaf picture by Daniel Tassini Hochheim (cc-by-sa)
Epidendrum rigidum leaf picture by Schilling Luíza (cc-by-sa)
Epidendrum rigidum leaf picture by Rezini Josias Alan (cc-by-sa)

Distribution

Epidendrum rigidum world distribution map, present in Bahamas, Bolivia (Plurinational State of), Brazil, Costa Rica, Cuba, Cayman Islands, Dominica, Ecuador, Guyana, Honduras, Haiti, Jamaica, Panama, Peru, Puerto Rico, Paraguay, Suriname, United States of America, and Venezuela (Bolivarian Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:92112-2
WFO ID wfo-0000951265
COL ID 6FS77
BDTFX ID -
INPN ID 629646
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Spathiger rigidus Epidendrum pium Epidendrum rigidum