Gladiolus calcaratus G.J.Lewis

Species

Angiosperms > Asparagales > Iridaceae > Gladiolus

Characteristics

Plants 300-450 mm high. Corm globose, 12-15 mm diam., bearing small cormlets at base; tunics leathery to ± woody, decaying into fairly coarse vertical fibres. Stem erect, simple, usually slightly flexed above sheaths of upper 2 leaves. Leaves 6 to 8, lower 3 to 5 basal, reaching to between middle of stem and middle of spike, narrowly sword-shaped to nearly linear, 4-8 mm wide, main vein and margins moderately thickened, cauline leaves decreasing in size and progressively reduced, upper 1 or 2 ± entirely sheathing. Spike ± straight, 6-to 10-flowered; bracts firm-textured, dark green, dry and brownish above, outer 35-45(-55) mm long, overlapping, 1.5-2.0 internodes long, lightly folded in midline, inner shorter. Flowers white, fading to pale pink or lilac, especially in midlines of tepals, yellow in throat, lower tepals each with pale yellowish median longitudinal streak outlined in pale dull pink, unscented; perianth tube obliquely funnel-shaped, (16-)25-40 mm long, lower cylindric part (12-)20-32 mm long; tepals broadly lanceolate, upper 3 largest, 28-33 x 12-14 mm, dorsal extended horizontally and curving upward near tip, upper laterals sometimes up to 5 mm longer than dorsal, directed forward, curving outward in distal fourth, lower 3 tepals basally united for ± 2 mm, lower laterals 20-22 x ± 12 mm, lower median 23-30 x ± 12 mm. Filaments 12-14 mm long, exserted ± 7 mm from tube; anthers 9-12 mm long, including sterile tails or spurs 3-4 mm long, whitish; pollen cream-coloured. Style arching over stamens, dividing at or shortly beyond anther apices, branches 3.0-4.5 mm long. Capsules obovoid, 3-lobed above, 10-12 mm long. Seeds narrowly ovate to pear-shaped, 4-5 x ± 2 mm, unevenly and weakly winged, sometimes one half without a wing.
More
Cormous herb, up to 0.6 m high. Anthers tailed. Perianth about 45 mm long, campanulate, outer lobes encircling inner. Bracts narrowly lanceolate-acuminate. Leaves linear. Flowers white, central area turning pale pink to pale mauve with age, yellow in throat.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.45 - 0.53
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

Uses -
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 -

Distribution

Gladiolus calcaratus world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:437337-1
WFO ID wfo-0000789698
COL ID 3G4JP
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gladiolus calcaratus