Tritonia dubia Eckl. ex Klatt

Species

Angiosperms > Asparagales > Iridaceae > Tritonia

Characteristics

Plants 120-200(-300) mm high. Corm subglobose, 8-20 mm diam., with cormlets at base and in lower leaf axils; tunics of fine fibres. Stem erect, simple or up to 3-branched from near base. Leaves 5 to 8, suberect to falcate, lanceolate-ensiform, 40-150 x 3-7 mm, acute, with evident main vein, cauline leaves bract-like and often dry. Spike erect, subsecund, (3)5-to 10-flowered; bracts dry and papery, whitish or flushed pink but brown and densely speckled with rusty brown distally and on upper margins, outer 5-10 mm long, obtuse or 3-toothed to irregularly-toothed, inner subequal or slightly shorter, bifid. Flowers actinomorphic, rotate, pale orange or salmon-pink to red, with dark veins and yellow tube; perianth tube funnel-shaped, 6-10 mm long, ± filiform below widening in upper 2-3 mm to ± 3 mm diam.; tepals subequal spreading, elliptic, obtuse, 10-15(-20) x 4-6(-8) mm, without calluses. Filaments central and erect, 3-5 mm long, reaching < halfway up perianth; anthers 3.0-4.5 mm long, pale yellow; pollen yellow. Style 7-8 mm long, dividing below or opposite base of anthers, branches 3-5 mm long. Capsules elongate-ellipsoid, trigonous, 15-20(-25) x 5-6 mm, exserted beyond bracts.
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Perennial herb, geophyte, 0.12-0.25 m high; corm globose, tunics of fine, netted fibres; stem simple or 1-or 2-branched. Leaves lanceolate-ensiform, falcate, 3-8 mm wide. Bracts dry, papery, attenuate. Inflorescence a dense spiral spike; flowers actinomorphic, pink to orange with dark veins, ± salver-shaped; perianth tube 6-10 mm long; tepals 12-20 mm long, spreading, oblong. Stamens erect, regularly placed; filaments 3-5 mm long; anthers pale yellow, curved with age. Style erect, 7-8 mm long, central. Flowering time Sept.-Nov. Capsule elongate, ellipsoid.
Cormous geophyte, 12-25 cm. Leaves falcate. Flowers actinomorphic, pink to orange with dark veins, stamens central around erect style.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.12 - 0.23
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 1-2
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

Tritonia dubia world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:60443622-2
WFO ID wfo-0000786870
COL ID 59523
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Montbretia dubia Tritonia bolusii Tritonixia dubia Tritonia dubia Tritonixia bolusii