Romulea sladenii M.p.de Vos

Species

Angiosperms > Asparagales > Iridaceae > Romulea

Characteristics

Plants 30-150(-200) mm high. Corm bell-shaped, 5-10 mm diam., tunics woody, basal rim irregularly fringed and scalloped. Stem aerial and exserted up to 150 mm. Leaves 3 to 5, lower 2 basal, subterete and 4-grooved, 0.5-1.0 mm diam., glabrous. Peduncles up to 5, subterete, spreading in fruit; outer bracts green, with narrow, colourless or brown-edged membranous margins, 10-18 mm long, finely striate (4 veins/mm), inner bracts with narrow, colourless or brown-edged membranous margins. Flowers white with orange-yellow cup, outer tepals greenish or pink to purple on reverse; perianth tube funnel-shaped, 4-5 mm long; tepals oblanceolate, 15-25 x 4-8 mm. Filaments inserted near base of tube, 5-7 mm long, puberulous below, orange-yellow; anthers 4-6 mm long, yellow. Style dividing at tips of anthers, branches forked. Capsules oblong, 8-10 mm long.
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Corm with a wider circular basal ridge wider than the corm itself; with tunics irregularly lacerated on the ridge into irregular fibril groups. Basal leaves filiform, 50-300 mm long, generally less than 1 mm in diam., glabrous, with narrow grooves. Inner bract with wide, almost colourless or brown-edged membranous margins. Flowers 22-33 mm long, white with a bright yellow cup, outer segments on the backs reddish or sometimes greenish. Perianth tube 4-5 mm long; segments 15-25 x 4-9 mm. Filaments 5-7 mm, orange-yellow; anthers 4-6 mm long, pale yellow. Style c. 13 mm. Capsules usually two, on widely patent, horizontal peduncles.
Cormous geophyte, 7-9 cm, corms symmetrical, bell-shaped, basal rim wide and fibrous, stems branched above ground. Basal leaves 2. Flowers white with yellow cup.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.15
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 7-9
Soil texture 5-8
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

Romulea sladenii world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:440842-1
WFO ID wfo-0000785937
COL ID 4TB2D
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Romulea sladenii