Ixia trifolia G.J.Lewis

Species

Angiosperms > Asparagales > Iridaceae > Ixia

Characteristics

Plants mostly 150-300 mm high, stem usually with 1-2(-3) short branches, or simple, sheathed at base by short, firm, green cataphylls. Corm mostly 10-18 mm diam., tunics of coarse fibres, vertical elements often becoming claw-like ridges. Leaves 3 or 4(5), lower 2 or 3 with expanded blades, lanceolate to falcate, 1/2-2/3 as long as stem, (2.5-)5-8(-12) mm wide, central vein and margins moderately thickened, upper 1(2) leaves sheathing lower 1/3-2/3 of stem, without expanded blade. Spike weakly flexuose, inclined, drooping in bud, mostly 3-7-flowered; bracts membranous, translucent, 5-6 mm long, outer with prominent central vein, sometimes with 2 prominent secondary veins, acute or trilobed, inner slightly shorter than outer, 2-veined and 2-toothed. Flowers rotate, pale to deep pink (rarely mauve), yellow or white edged with darker pink at base of tepals, unscented; perianth tube funnel-shaped, 3.5-4.0 mm long, filiform in basal 2.5-3.0 mm and clasping style, flared in distal 1 mm, tepals spreading, ovate-elliptic, obtuse to retuse, 12-15 x 5.0-6.5 mm. Stamens symmetrically arranged, erect, filaments inserted at mouth of narrow part of tube, 3-4 mm long, free or united basally for up to 0.7 mm, filiform, ± white, anthers oblong-linear, 3-4 mm long, yellow, thecae obtuse at base, dehiscing fully by longitudinal slits. Style dividing between base and lower 1/3 of filaments, style branches 4-5 mm long, projecting between filaments, gently arched outward, filiform-involute, stigmatic apically, pale pink.
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Plants mostly 150-300 mm high. Corm mostly 10-18 mm diam.; tunics of coarse fibres, vertical members often forming claw-like ridges. Stem usually with 1 or 2(3) short branches, or simple. Leaves 3 or 4(5), lower 2 or 3 with expanded blades, lanceolate to falcate, 1/2-2/3 as long as stem, (2.5-)5.0-8.0(-12.0) mm wide, main vein and margins moderately thickened, upper 1(2) leaves sheathing lower 1/3-2/3 of stem, without expanded blade. Spike drooping in bud, weakly flexuose, mostly 3-to 7-flowered; bracts membranous, translucent, outer 5-6 mm long, with prominent central vein, sometimes with 2 prominent secondary veins, acute or trilobed, inner slightly shorter than outer, 2-veined and 2-toothed. Flowers rotate, pale to deep pink (rarely mauve), yellow or white edged with darker pink at base of tepals, unscented; perianth tube funnel-shaped, 3.5-4.0 mm long, filiform in basal 2.5-3.0 mm and clasping style, flared in distal 1 mm, tepals spreading, ovate-elliptic, obtuse to retuse, 12-15 x 5.0-6.5 mm. Filaments erect, inserted at base of wide part of tube, 3-4 mm long, free or united basally for up to 0.7 mm, filiform, ± white; anthers oblong-linear, 3-4 mm long, yellow, thecae obtuse at base, dehiscing fully. Style dividing between base and lower 1/3 of filaments, branches 4-5 mm long, weakly arched outward, filiform-involute, pale pink.
Cormous geophyte, 15-30 cm, often with 1-3 three short, spreading branchlets. Leaves with lower 2 or 3 sword-shaped to falcate, with thickened margins, upper leaf mostly sheathing. Flowers 5-9 in a lax spike, deep pink, throat yellow edged deep pink, tube filiform, 3-4 mm long, tepals spreading, 14-20 mm long.
Cormous geophyte, 150-300 mm tall, often with 1-3 short, spreading branchlets, nodding in bud. Leaves sword-shaped to falcate, with thickened margins. Flowers 5-9 in a lax spike, deep pink, whitish in the throat, tube filiform, 3-4 mm long, tepals spreading, 14-20 mm long, stamens fully exserted.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.3
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 4-5
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 trifolia world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:439622-1
WFO ID wfo-0000784431
COL ID 3QFSX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ixia trifolia