Columnea oerstediana Klotzsch ex Oerst.

Species

Angiosperms > Lamiales > Gesneriaceae > Columnea

Characteristics

Epiphytic suffrutescent herb or subshrub, to 1 m long. Stem woody at base, succulent above, pendent, creeping or erect, pubescent or strigose when young. Leaves equal in a pair or whorl; petiole 0.1-0.2 cm long, pubescent; blade chartaceous or coriaceous when dry, ovate, elliptic-ovate, to oblong, 1.2-2.9(-3.7) x 0.2-1.2 cm, margin entire, subrevolute, apex obtuse to acuminate, base rounded to cuneate, above glabrous, below sparsely strigose. Flowers solitary in reduced fasciculate inflorescences; pedicel 1-4 cm long, pubescent to strigose. Calyx campanulate, green to red, lobes free, erect, subequal, ovate-lanceolate, 0.9-1.8 x 0.4-1.1 cm, margin toothed near base or nearly entire, apex long acuminate, outside pubescent, inside sparsely pubescent; corolla erect in calyx, scarlet or red, 2.5-5.5 cm long, tube funnelform, 1.5-2.5 cm long, base gibbous, above base 0.2-0.4 cm wide, middle slightly ventricose, throat not contracted, 0.7-0.9 cm wide, outside pilose, inside glabrous, limb ca. 3 cm wide, lobes strongly unequal, upper lobes connate into a galea, erect, 1-2 x 0.7-1.5 cm, margin entire, lateral lobes spreading, triangular, 0.5-1.1 x 0.5-1 cm [at base], margin entire, basal lobe reflexed, triangular, 1.2-1.6 x 0.3-0.4 cm wide, margin entire; stamens exserted, adnate to base of corolla tube; staminode absent; ovary ovoid, 0.3-0.4 x 0.2-0.3 cm, pubescent to sericeous, style ca. 5 cm long, pilose glandular, stigma 2-lobed. Mature berry white, subglobose, 0.6-0.8 x 0.6-0.8 cm.
More
Suffrutescent herbs, epiphytic; stems 1.5-3 mm in diam., strigose when young. Leaves of a pair equal, elliptic ovate, 1.2-1.6 cm long and 7-10 mm wide, the apex obtuse to acute, rounded at the base, entire, succulent, above green, glabrous, below paler green, sparsely strigose, the hairs transparent, 3-5 celled especially numerous on the veins, also 2-3 celled white or transparent hairs; petioles 1 mm long. Flowers solitary; bracts ca. 5 mm long; pedicels ca. 10 mm long, strigose; calyx lobes ovate, 10-15 mm long, long acuminate, 2-3 toothed, the teeth to 1 mm long, green or tinged red, strigose; corolla scarlet or red with yellow areas running from sinuses of the anterior lobe to the base of the tube, funnelform, but strongly zygomorphic, ca. 6.7 cm long, ca. 4 mm in diam. above the base, becoming ca. 9 mm in diam. at the throat, the outside red pilose, the lobed portion of the corolla 3.1-3.6 cm long, the lobes strongly unequal, the posterior pair connate, truncate at the apex, ca. 1.8 cm long, the anterior lobe ca. 1.5 cm long, reflexed; filaments reddish or yellow, glabrous, the anthers exserted; ovary sericeous, the style yellow, pilose glandular, the stigma bibbed. Fruits not seen. Chromosomes 2n 18 (Fussell, 1958).
Life form perennial
Growth form herb
Growth support epiphyte
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-6
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 120
Germination temperacture (C°) 22 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Columnea oerstediana world distribution map, present in Brazil, Costa Rica, French Guiana, and Panama

Identifiers

LSID urn:lsid:ipni.org:names:378942-1
WFO ID wfo-0000615670
COL ID XCQG
BDTFX ID -
INPN ID 733389
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Columnea oerstediana