Ixia rivulicola Goldblatt & J.C.Manning

Species

Angiosperms > Asparagales > Iridaceae > Ixia

Characteristics

Plants 450-800 mm high. Corm subglobose, with 1-few cormlets at base; tunics of submembranous fibres soon disintegrating. Leaves 3(4 or 5), lower 2 to 4 narrowly sword-shaped to linear, 3-7 mm wide, margins moderately thickened, straight, usually ± 1/3-1/2 as long as stem, uppermost leaf sheathing stem, penultimate leaf often sheathing in lower half. Stem with 3 to 5 straight, filiform lateral branchlets mostly held at ± 30° to main axis. Main spike mostly 2-or 3-flowered; lateral spikes 1-or 2-flowered; bracts translucent, mostly ± 8 mm long, outer with 2 dark veins, inner with 2 dark veins, forked apically. Flowers ascending to nearly horizontal, white with pale yellow cup, with strong fruity scent; perianth tube funnel-shaped, 8-9 mm long; tepals subequal, 17-18 x 5.0-7.5 mm, proximal 3-4 mm forming part of floral cup, spreading at right angles to tube distally. Filaments 3-4 mm long, included; anthers 4.5-5.5 mm long, lower 1/2 included in tube. Style dividing opposite upper 1/3 of anthers, branches ± 0.8 mm long, extending between anthers.
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Cormous geophyte, 0.45-0.8 m tall, corm with soft tunics, stem with short suberect branchlets. Leaves usually 3, linear, uppermost leaf sheathing the stem. Flowers few in a wiry spike, half nodding, white, nodding, sweetly scented, perianth tube funnel-shaped, shorter than tepals, filaments included in tube. Mainly Oct.-Nov.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.45 - 0.8
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 10-12
Soil texture 7-8
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

Ixia rivulicola world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77091731-1
WFO ID wfo-0000835830
COL ID 3QFRD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ixia rivulicola